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Finding the Fourth Proportional to 506,490.57, 759,550.77 and 221,984.96

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Solution

The fourth proportional to 506,490.57, 759,550.77 and 221,984.96 is: 332,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,490.57 : 759,550.77 = 221,984.96 : x
  2. Step 2: Convert to fraction form
    506,490.57/759,550.77 = 221,984.96/x
  3. Step 3: Cross multiply
    506,490.57x = 759,550.77 × 221,984.96
  4. Step 4: Simplify right side
    506,490.57x = 168,608,843,498.67
  5. Step 5: Solve for x
    x = 168,608,843,498.67/506,490.57
  6. Step 6: Final answer
    x = 332,896.31

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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.