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Finding the Fourth Proportional to 557,508.87, 836,263.85 and 152,671.47

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Solution

The fourth proportional to 557,508.87, 836,263.85 and 152,671.47 is: 229,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,508.87 : 836,263.85 = 152,671.47 : x
  2. Step 2: Convert to fraction form
    557,508.87/836,263.85 = 152,671.47/x
  3. Step 3: Cross multiply
    557,508.87x = 836,263.85 × 152,671.47
  4. Step 4: Simplify right side
    557,508.87x = 127,673,630,524.00
  5. Step 5: Solve for x
    x = 127,673,630,524.00/557,508.87
  6. Step 6: Final answer
    x = 229,007.35

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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.