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Finding the Fourth Proportional to 497,015.70, 745,912.35 and 230,809.20

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Solution

The fourth proportional to 497,015.70, 745,912.35 and 230,809.20 is: 346,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,015.70 : 745,912.35 = 230,809.20 : x
  2. Step 2: Convert to fraction form
    497,015.70/745,912.35 = 230,809.20/x
  3. Step 3: Cross multiply
    497,015.70x = 745,912.35 × 230,809.20
  4. Step 4: Simplify right side
    497,015.70x = 172,163,432,773.62
  5. Step 5: Solve for x
    x = 172,163,432,773.62/497,015.70
  6. Step 6: Final answer
    x = 346,394.35

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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.