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Finding the Fourth Proportional to 472,969.02, 652,711 and 258,122.90

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Solution

The fourth proportional to 472,969.02, 652,711 and 258,122.90 is: 356,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,969.02 : 652,711 = 258,122.90 : x
  2. Step 2: Convert to fraction form
    472,969.02/652,711 = 258,122.90/x
  3. Step 3: Cross multiply
    472,969.02x = 652,711 × 258,122.90
  4. Step 4: Simplify right side
    472,969.02x = 168,479,656,181.90
  5. Step 5: Solve for x
    x = 168,479,656,181.90/472,969.02
  6. Step 6: Final answer
    x = 356,217.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.