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Finding the Fourth Proportional to 384,495.10, 576,859.52 and 272,392.22

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Solution

The fourth proportional to 384,495.10, 576,859.52 and 272,392.22 is: 408,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,495.10 : 576,859.52 = 272,392.22 : x
  2. Step 2: Convert to fraction form
    384,495.10/576,859.52 = 272,392.22/x
  3. Step 3: Cross multiply
    384,495.10x = 576,859.52 × 272,392.22
  4. Step 4: Simplify right side
    384,495.10x = 157,132,044,159.23
  5. Step 5: Solve for x
    x = 157,132,044,159.23/384,495.10
  6. Step 6: Final answer
    x = 408,671.12

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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.