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Finding the Fourth Proportional to 602,578.77, 903,874.38 and 153,299.85

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Solution

The fourth proportional to 602,578.77, 903,874.38 and 153,299.85 is: 229,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,578.77 : 903,874.38 = 153,299.85 : x
  2. Step 2: Convert to fraction form
    602,578.77/903,874.38 = 153,299.85/x
  3. Step 3: Cross multiply
    602,578.77x = 903,874.38 × 153,299.85
  4. Step 4: Simplify right side
    602,578.77x = 138,563,806,872.84
  5. Step 5: Solve for x
    x = 138,563,806,872.84/602,578.77
  6. Step 6: Final answer
    x = 229,951.36

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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.