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Finding the Fourth Proportional to 417,952.54, 626,928.82 and 102,406.72

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Solution

The fourth proportional to 417,952.54, 626,928.82 and 102,406.72 is: 153,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,952.54 : 626,928.82 = 102,406.72 : x
  2. Step 2: Convert to fraction form
    417,952.54/626,928.82 = 102,406.72/x
  3. Step 3: Cross multiply
    417,952.54x = 626,928.82 × 102,406.72
  4. Step 4: Simplify right side
    417,952.54x = 64,201,724,129.67
  5. Step 5: Solve for x
    x = 64,201,724,129.67/417,952.54
  6. Step 6: Final answer
    x = 153,610.08

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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.