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Finding the Fourth Proportional to 220,390.94, 330,586.45 and 62,598.89

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Solution

The fourth proportional to 220,390.94, 330,586.45 and 62,598.89 is: 93,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,390.94 : 330,586.45 = 62,598.89 : x
  2. Step 2: Convert to fraction form
    220,390.94/330,586.45 = 62,598.89/x
  3. Step 3: Cross multiply
    220,390.94x = 330,586.45 × 62,598.89
  4. Step 4: Simplify right side
    220,390.94x = 20,694,345,489.01
  5. Step 5: Solve for x
    x = 20,694,345,489.01/220,390.94
  6. Step 6: Final answer
    x = 93,898.35

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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.