Home / 447,434.70-671,257.08-147,915.24

Finding the Fourth Proportional to 447,434.70, 671,257.08 and 147,915.24

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Solution

The fourth proportional to 447,434.70, 671,257.08 and 147,915.24 is: 221,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,434.70 : 671,257.08 = 147,915.24 : x
  2. Step 2: Convert to fraction form
    447,434.70/671,257.08 = 147,915.24/x
  3. Step 3: Cross multiply
    447,434.70x = 671,257.08 × 147,915.24
  4. Step 4: Simplify right side
    447,434.70x = 99,289,152,089.90
  5. Step 5: Solve for x
    x = 99,289,152,089.90/447,434.70
  6. Step 6: Final answer
    x = 221,907.58

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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.