Home / 912,609.30-1,368,809.36-238,755.63

Finding the Fourth Proportional to 912,609.30, 1,368,809.36 and 238,755.63

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Solution

The fourth proportional to 912,609.30, 1,368,809.36 and 238,755.63 is: 358,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,609.30 : 1,368,809.36 = 238,755.63 : x
  2. Step 2: Convert to fraction form
    912,609.30/1,368,809.36 = 238,755.63/x
  3. Step 3: Cross multiply
    912,609.30x = 1,368,809.36 × 238,755.63
  4. Step 4: Simplify right side
    912,609.30x = 326,810,941,693.59
  5. Step 5: Solve for x
    x = 326,810,941,693.59/912,609.30
  6. Step 6: Final answer
    x = 358,106.08

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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.