Home / 382,213.80-527,461.36-210,139.04

Finding the Fourth Proportional to 382,213.80, 527,461.36 and 210,139.04

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Solution

The fourth proportional to 382,213.80, 527,461.36 and 210,139.04 is: 289,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,213.80 : 527,461.36 = 210,139.04 : x
  2. Step 2: Convert to fraction form
    382,213.80/527,461.36 = 210,139.04/x
  3. Step 3: Cross multiply
    382,213.80x = 527,461.36 × 210,139.04
  4. Step 4: Simplify right side
    382,213.80x = 110,840,223,827.49
  5. Step 5: Solve for x
    x = 110,840,223,827.49/382,213.80
  6. Step 6: Final answer
    x = 289,995.35

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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.