Home / 282,625.40-390,044.76-161,804.60

Finding the Fourth Proportional to 282,625.40, 390,044.76 and 161,804.60

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Solution

The fourth proportional to 282,625.40, 390,044.76 and 161,804.60 is: 223,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,625.40 : 390,044.76 = 161,804.60 : x
  2. Step 2: Convert to fraction form
    282,625.40/390,044.76 = 161,804.60/x
  3. Step 3: Cross multiply
    282,625.40x = 390,044.76 × 161,804.60
  4. Step 4: Simplify right side
    282,625.40x = 63,111,036,373.90
  5. Step 5: Solve for x
    x = 63,111,036,373.90/282,625.40
  6. Step 6: Final answer
    x = 223,302.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.