Home / 343,204.40-514,280.28-155,997.20

Finding the Fourth Proportional to 343,204.40, 514,280.28 and 155,997.20

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Solution

The fourth proportional to 343,204.40, 514,280.28 and 155,997.20 is: 233,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,204.40 : 514,280.28 = 155,997.20 : x
  2. Step 2: Convert to fraction form
    343,204.40/514,280.28 = 155,997.20/x
  3. Step 3: Cross multiply
    343,204.40x = 514,280.28 × 155,997.20
  4. Step 4: Simplify right side
    343,204.40x = 80,226,283,695.22
  5. Step 5: Solve for x
    x = 80,226,283,695.22/343,204.40
  6. Step 6: Final answer
    x = 233,756.57

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1.5x scale

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.