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Finding the Fourth Proportional to 377,254.71, 565,326.20 and 282,038.21

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Solution

The fourth proportional to 377,254.71, 565,326.20 and 282,038.21 is: 422,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,254.71 : 565,326.20 = 282,038.21 : x
  2. Step 2: Convert to fraction form
    377,254.71/565,326.20 = 282,038.21/x
  3. Step 3: Cross multiply
    377,254.71x = 565,326.20 × 282,038.21
  4. Step 4: Simplify right side
    377,254.71x = 159,443,585,277.28
  5. Step 5: Solve for x
    x = 159,443,585,277.28/377,254.71
  6. Step 6: Final answer
    x = 422,641.74

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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.