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Finding the Fourth Proportional to 344,490.75, 475,490.76 and 223,624.98

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Solution

The fourth proportional to 344,490.75, 475,490.76 and 223,624.98 is: 308,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,490.75 : 475,490.76 = 223,624.98 : x
  2. Step 2: Convert to fraction form
    344,490.75/475,490.76 = 223,624.98/x
  3. Step 3: Cross multiply
    344,490.75x = 475,490.76 × 223,624.98
  4. Step 4: Simplify right side
    344,490.75x = 106,331,611,695.19
  5. Step 5: Solve for x
    x = 106,331,611,695.19/344,490.75
  6. Step 6: Final answer
    x = 308,663.18

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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.