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Finding the Fourth Proportional to 332,266.65, 458,368.29 and 217,494.74

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Solution

The fourth proportional to 332,266.65, 458,368.29 and 217,494.74 is: 300,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,266.65 : 458,368.29 = 217,494.74 : x
  2. Step 2: Convert to fraction form
    332,266.65/458,368.29 = 217,494.74/x
  3. Step 3: Cross multiply
    332,266.65x = 458,368.29 × 217,494.74
  4. Step 4: Simplify right side
    332,266.65x = 99,692,689,765.95
  5. Step 5: Solve for x
    x = 99,692,689,765.95/332,266.65
  6. Step 6: Final answer
    x = 300,038.21

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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.