Home / 285,838.02-393,466.46-247,058.20

Finding the Fourth Proportional to 285,838.02, 393,466.46 and 247,058.20

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Solution

The fourth proportional to 285,838.02, 393,466.46 and 247,058.20 is: 340,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,838.02 : 393,466.46 = 247,058.20 : x
  2. Step 2: Convert to fraction form
    285,838.02/393,466.46 = 247,058.20/x
  3. Step 3: Cross multiply
    285,838.02x = 393,466.46 × 247,058.20
  4. Step 4: Simplify right side
    285,838.02x = 97,209,115,367.97
  5. Step 5: Solve for x
    x = 97,209,115,367.97/285,838.02
  6. Step 6: Final answer
    x = 340,084.62

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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.