Home / 692,148.80-1,038,223.20-186,708.80

Finding the Fourth Proportional to 692,148.80, 1,038,223.20 and 186,708.80

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Solution

The fourth proportional to 692,148.80, 1,038,223.20 and 186,708.80 is: 280,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,148.80 : 1,038,223.20 = 186,708.80 : x
  2. Step 2: Convert to fraction form
    692,148.80/1,038,223.20 = 186,708.80/x
  3. Step 3: Cross multiply
    692,148.80x = 1,038,223.20 × 186,708.80
  4. Step 4: Simplify right side
    692,148.80x = 193,845,407,804.16
  5. Step 5: Solve for x
    x = 193,845,407,804.16/692,148.80
  6. Step 6: Final answer
    x = 280,063.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.