Home / 343,206.40-514,283.28-155,999.20

Finding the Fourth Proportional to 343,206.40, 514,283.28 and 155,999.20

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Solution

The fourth proportional to 343,206.40, 514,283.28 and 155,999.20 is: 233,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,206.40 : 514,283.28 = 155,999.20 : x
  2. Step 2: Convert to fraction form
    343,206.40/514,283.28 = 155,999.20/x
  3. Step 3: Cross multiply
    343,206.40x = 514,283.28 × 155,999.20
  4. Step 4: Simplify right side
    343,206.40x = 80,227,780,253.38
  5. Step 5: Solve for x
    x = 80,227,780,253.38/343,206.40
  6. Step 6: Final answer
    x = 233,759.57

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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.