Home / 647,416.20-971,133.26-248,077.16

Finding the Fourth Proportional to 647,416.20, 971,133.26 and 248,077.16

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Solution

The fourth proportional to 647,416.20, 971,133.26 and 248,077.16 is: 372,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,416.20 : 971,133.26 = 248,077.16 : x
  2. Step 2: Convert to fraction form
    647,416.20/971,133.26 = 248,077.16/x
  3. Step 3: Cross multiply
    647,416.20x = 971,133.26 × 248,077.16
  4. Step 4: Simplify right side
    647,416.20x = 240,915,981,122.34
  5. Step 5: Solve for x
    x = 240,915,981,122.34/647,416.20
  6. Step 6: Final answer
    x = 372,119.17

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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.