Home / 382,240.90-527,446.65-210,130.48

Finding the Fourth Proportional to 382,240.90, 527,446.65 and 210,130.48

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Solution

The fourth proportional to 382,240.90, 527,446.65 and 210,130.48 is: 289,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,240.90 : 527,446.65 = 210,130.48 : x
  2. Step 2: Convert to fraction form
    382,240.90/527,446.65 = 210,130.48/x
  3. Step 3: Cross multiply
    382,240.90x = 527,446.65 × 210,130.48
  4. Step 4: Simplify right side
    382,240.90x = 110,832,617,738.89
  5. Step 5: Solve for x
    x = 110,832,617,738.89/382,240.90
  6. Step 6: Final answer
    x = 289,954.89

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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.