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Finding the Fourth Proportional to 305,316.60, 457,900.23 and 238,591.23

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Solution

The fourth proportional to 305,316.60, 457,900.23 and 238,591.23 is: 357,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,316.60 : 457,900.23 = 238,591.23 : x
  2. Step 2: Convert to fraction form
    305,316.60/457,900.23 = 238,591.23/x
  3. Step 3: Cross multiply
    305,316.60x = 457,900.23 × 238,591.23
  4. Step 4: Simplify right side
    305,316.60x = 109,250,979,092.98
  5. Step 5: Solve for x
    x = 109,250,979,092.98/305,316.60
  6. Step 6: Final answer
    x = 357,828.49

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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.