Home / 347,306.27-478,823.20-250,429.05

Finding the Fourth Proportional to 347,306.27, 478,823.20 and 250,429.05

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Solution

The fourth proportional to 347,306.27, 478,823.20 and 250,429.05 is: 345,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,306.27 : 478,823.20 = 250,429.05 : x
  2. Step 2: Convert to fraction form
    347,306.27/478,823.20 = 250,429.05/x
  3. Step 3: Cross multiply
    347,306.27x = 478,823.20 × 250,429.05
  4. Step 4: Simplify right side
    347,306.27x = 119,911,238,467.89
  5. Step 5: Solve for x
    x = 119,911,238,467.89/347,306.27
  6. Step 6: Final answer
    x = 345,260.80

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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.