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Finding the Fourth Proportional to 536,890.97, 805,920 and 217,262.90

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Solution

The fourth proportional to 536,890.97, 805,920 and 217,262.90 is: 326,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,890.97 : 805,920 = 217,262.90 : x
  2. Step 2: Convert to fraction form
    536,890.97/805,920 = 217,262.90/x
  3. Step 3: Cross multiply
    536,890.97x = 805,920 × 217,262.90
  4. Step 4: Simplify right side
    536,890.97x = 175,096,516,368
  5. Step 5: Solve for x
    x = 175,096,516,368/536,890.97
  6. Step 6: Final answer
    x = 326,130.49

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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.