Home / 555,278.68-832,968.85-155,916.76

Finding the Fourth Proportional to 555,278.68, 832,968.85 and 155,916.76

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Solution

The fourth proportional to 555,278.68, 832,968.85 and 155,916.76 is: 233,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,278.68 : 832,968.85 = 155,916.76 : x
  2. Step 2: Convert to fraction form
    555,278.68/832,968.85 = 155,916.76/x
  3. Step 3: Cross multiply
    555,278.68x = 832,968.85 × 155,916.76
  4. Step 4: Simplify right side
    555,278.68x = 129,873,801,800.71
  5. Step 5: Solve for x
    x = 129,873,801,800.71/555,278.68
  6. Step 6: Final answer
    x = 233,889.41

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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.