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Finding the Fourth Proportional to 417,279.96, 575,870.70 and 236,007.96

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Solution

The fourth proportional to 417,279.96, 575,870.70 and 236,007.96 is: 325,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,279.96 : 575,870.70 = 236,007.96 : x
  2. Step 2: Convert to fraction form
    417,279.96/575,870.70 = 236,007.96/x
  3. Step 3: Cross multiply
    417,279.96x = 575,870.70 × 236,007.96
  4. Step 4: Simplify right side
    417,279.96x = 135,910,069,130.77
  5. Step 5: Solve for x
    x = 135,910,069,130.77/417,279.96
  6. Step 6: Final answer
    x = 325,704.76

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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.