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Finding the Fourth Proportional to 290,297.46, 435,473.73 and 112,818.18

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Solution

The fourth proportional to 290,297.46, 435,473.73 and 112,818.18 is: 169,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,297.46 : 435,473.73 = 112,818.18 : x
  2. Step 2: Convert to fraction form
    290,297.46/435,473.73 = 112,818.18/x
  3. Step 3: Cross multiply
    290,297.46x = 435,473.73 × 112,818.18
  4. Step 4: Simplify right side
    290,297.46x = 49,129,353,656.41
  5. Step 5: Solve for x
    x = 49,129,353,656.41/290,297.46
  6. Step 6: Final answer
    x = 169,237.97

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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.