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Finding the Fourth Proportional to 446,438.82, 616,123.67 and 252,881.07

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Solution

The fourth proportional to 446,438.82, 616,123.67 and 252,881.07 is: 348,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,438.82 : 616,123.67 = 252,881.07 : x
  2. Step 2: Convert to fraction form
    446,438.82/616,123.67 = 252,881.07/x
  3. Step 3: Cross multiply
    446,438.82x = 616,123.67 × 252,881.07
  4. Step 4: Simplify right side
    446,438.82x = 155,806,011,657.52
  5. Step 5: Solve for x
    x = 155,806,011,657.52/446,438.82
  6. Step 6: Final answer
    x = 348,997.45

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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.