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Finding the Fourth Proportional to 290,127.44, 435,103.68 and 112,594.88

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Solution

The fourth proportional to 290,127.44, 435,103.68 and 112,594.88 is: 168,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,127.44 : 435,103.68 = 112,594.88 : x
  2. Step 2: Convert to fraction form
    290,127.44/435,103.68 = 112,594.88/x
  3. Step 3: Cross multiply
    290,127.44x = 435,103.68 × 112,594.88
  4. Step 4: Simplify right side
    290,127.44x = 48,990,446,637.16
  5. Step 5: Solve for x
    x = 48,990,446,637.16/290,127.44
  6. Step 6: Final answer
    x = 168,858.37

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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.