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Finding the Fourth Proportional to 346,686.60, 519,770.70 and 146,843.40

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Solution

The fourth proportional to 346,686.60, 519,770.70 and 146,843.40 is: 220,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,686.60 : 519,770.70 = 146,843.40 : x
  2. Step 2: Convert to fraction form
    346,686.60/519,770.70 = 146,843.40/x
  3. Step 3: Cross multiply
    346,686.60x = 519,770.70 × 146,843.40
  4. Step 4: Simplify right side
    346,686.60x = 76,324,896,808.38
  5. Step 5: Solve for x
    x = 76,324,896,808.38/346,686.60
  6. Step 6: Final answer
    x = 220,155.31

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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.