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Finding the Fourth Proportional to 384,901.59, 577,284.35 and 104,440.71

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Solution

The fourth proportional to 384,901.59, 577,284.35 and 104,440.71 is: 156,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,901.59 : 577,284.35 = 104,440.71 : x
  2. Step 2: Convert to fraction form
    384,901.59/577,284.35 = 104,440.71/x
  3. Step 3: Cross multiply
    384,901.59x = 577,284.35 × 104,440.71
  4. Step 4: Simplify right side
    384,901.59x = 60,291,986,863.69
  5. Step 5: Solve for x
    x = 60,291,986,863.69/384,901.59
  6. Step 6: Final answer
    x = 156,642.60

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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.