Home / 447,117.40-670,497.90-147,514.60

Finding the Fourth Proportional to 447,117.40, 670,497.90 and 147,514.60

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Solution

The fourth proportional to 447,117.40, 670,497.90 and 147,514.60 is: 221,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,117.40 : 670,497.90 = 147,514.60 : x
  2. Step 2: Convert to fraction form
    447,117.40/670,497.90 = 147,514.60/x
  3. Step 3: Cross multiply
    447,117.40x = 670,497.90 × 147,514.60
  4. Step 4: Simplify right side
    447,117.40x = 98,908,229,519.34
  5. Step 5: Solve for x
    x = 98,908,229,519.34/447,117.40
  6. Step 6: Final answer
    x = 221,213.11

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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.