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Finding the Fourth Proportional to 340,520.54, 510,780.82 and 160,564.10

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Solution

The fourth proportional to 340,520.54, 510,780.82 and 160,564.10 is: 240,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520.54 : 510,780.82 = 160,564.10 : x
  2. Step 2: Convert to fraction form
    340,520.54/510,780.82 = 160,564.10/x
  3. Step 3: Cross multiply
    340,520.54x = 510,780.82 × 160,564.10
  4. Step 4: Simplify right side
    340,520.54x = 82,013,059,705.25
  5. Step 5: Solve for x
    x = 82,013,059,705.25/340,520.54
  6. Step 6: Final answer
    x = 240,846.14

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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.