Home / 344,934.20-517,368.90-155,407.16

Finding the Fourth Proportional to 344,934.20, 517,368.90 and 155,407.16

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Solution

The fourth proportional to 344,934.20, 517,368.90 and 155,407.16 is: 233,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,934.20 : 517,368.90 = 155,407.16 : x
  2. Step 2: Convert to fraction form
    344,934.20/517,368.90 = 155,407.16/x
  3. Step 3: Cross multiply
    344,934.20x = 517,368.90 × 155,407.16
  4. Step 4: Simplify right side
    344,934.20x = 80,402,831,421.32
  5. Step 5: Solve for x
    x = 80,402,831,421.32/344,934.20
  6. Step 6: Final answer
    x = 233,096.14

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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.