Home / 285,385.95-393,832.53-158,062.05

Finding the Fourth Proportional to 285,385.95, 393,832.53 and 158,062.05

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Solution

The fourth proportional to 285,385.95, 393,832.53 and 158,062.05 is: 218,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,385.95 : 393,832.53 = 158,062.05 : x
  2. Step 2: Convert to fraction form
    285,385.95/393,832.53 = 158,062.05/x
  3. Step 3: Cross multiply
    285,385.95x = 393,832.53 × 158,062.05
  4. Step 4: Simplify right side
    285,385.95x = 62,249,977,048.49
  5. Step 5: Solve for x
    x = 62,249,977,048.49/285,385.95
  6. Step 6: Final answer
    x = 218,125.58

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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.