Home / 400,918.32-599,985.12-249,053.04

Finding the Fourth Proportional to 400,918.32, 599,985.12 and 249,053.04

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Solution

The fourth proportional to 400,918.32, 599,985.12 and 249,053.04 is: 372,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,918.32 : 599,985.12 = 249,053.04 : x
  2. Step 2: Convert to fraction form
    400,918.32/599,985.12 = 249,053.04/x
  3. Step 3: Cross multiply
    400,918.32x = 599,985.12 × 249,053.04
  4. Step 4: Simplify right side
    400,918.32x = 149,428,118,090.77
  5. Step 5: Solve for x
    x = 149,428,118,090.77/400,918.32
  6. Step 6: Final answer
    x = 372,714.62

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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.