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Finding the Fourth Proportional to 317,448.98, 476,168.24 and 127,904.76

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Solution

The fourth proportional to 317,448.98, 476,168.24 and 127,904.76 is: 191,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,448.98 : 476,168.24 = 127,904.76 : x
  2. Step 2: Convert to fraction form
    317,448.98/476,168.24 = 127,904.76/x
  3. Step 3: Cross multiply
    317,448.98x = 476,168.24 × 127,904.76
  4. Step 4: Simplify right side
    317,448.98x = 60,904,184,456.82
  5. Step 5: Solve for x
    x = 60,904,184,456.82/317,448.98
  6. Step 6: Final answer
    x = 191,855.03

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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.