Home / 285,329.04-393,753.72-158,004.48

Finding the Fourth Proportional to 285,329.04, 393,753.72 and 158,004.48

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Solution

The fourth proportional to 285,329.04, 393,753.72 and 158,004.48 is: 218,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,329.04 : 393,753.72 = 158,004.48 : x
  2. Step 2: Convert to fraction form
    285,329.04/393,753.72 = 158,004.48/x
  3. Step 3: Cross multiply
    285,329.04x = 393,753.72 × 158,004.48
  4. Step 4: Simplify right side
    285,329.04x = 62,214,851,776.67
  5. Step 5: Solve for x
    x = 62,214,851,776.67/285,329.04
  6. Step 6: Final answer
    x = 218,045.99

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1.5x scale

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.