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Finding the Fourth Proportional to 577,427.52, 866,256.41 and 178,050.95

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Solution

The fourth proportional to 577,427.52, 866,256.41 and 178,050.95 is: 267,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,427.52 : 866,256.41 = 178,050.95 : x
  2. Step 2: Convert to fraction form
    577,427.52/866,256.41 = 178,050.95/x
  3. Step 3: Cross multiply
    577,427.52x = 866,256.41 × 178,050.95
  4. Step 4: Simplify right side
    577,427.52x = 154,237,776,744.09
  5. Step 5: Solve for x
    x = 154,237,776,744.09/577,427.52
  6. Step 6: Final answer
    x = 267,111.93

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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.