Home / 285,834.02-393,460.94-247,054.20

Finding the Fourth Proportional to 285,834.02, 393,460.94 and 247,054.20

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Solution

The fourth proportional to 285,834.02, 393,460.94 and 247,054.20 is: 340,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,834.02 : 393,460.94 = 247,054.20 : x
  2. Step 2: Convert to fraction form
    285,834.02/393,460.94 = 247,054.20/x
  3. Step 3: Cross multiply
    285,834.02x = 393,460.94 × 247,054.20
  4. Step 4: Simplify right side
    285,834.02x = 97,206,177,762.95
  5. Step 5: Solve for x
    x = 97,206,177,762.95/285,834.02
  6. Step 6: Final answer
    x = 340,079.11

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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.