Home / 638,058.24-956,756.25-188,720.04

Finding the Fourth Proportional to 638,058.24, 956,756.25 and 188,720.04

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Solution

The fourth proportional to 638,058.24, 956,756.25 and 188,720.04 is: 282,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,058.24 : 956,756.25 = 188,720.04 : x
  2. Step 2: Convert to fraction form
    638,058.24/956,756.25 = 188,720.04/x
  3. Step 3: Cross multiply
    638,058.24x = 956,756.25 × 188,720.04
  4. Step 4: Simplify right side
    638,058.24x = 180,559,077,770.25
  5. Step 5: Solve for x
    x = 180,559,077,770.25/638,058.24
  6. Step 6: Final answer
    x = 282,982.13

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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.