Home / 555,278.59-832,968.71-155,916.66

Finding the Fourth Proportional to 555,278.59, 832,968.71 and 155,916.66

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Solution

The fourth proportional to 555,278.59, 832,968.71 and 155,916.66 is: 233,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,278.59 : 832,968.71 = 155,916.66 : x
  2. Step 2: Convert to fraction form
    555,278.59/832,968.71 = 155,916.66/x
  3. Step 3: Cross multiply
    555,278.59x = 832,968.71 × 155,916.66
  4. Step 4: Simplify right side
    555,278.59x = 129,873,702,953.48
  5. Step 5: Solve for x
    x = 129,873,702,953.48/555,278.59
  6. Step 6: Final answer
    x = 233,889.27

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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.