Home / 284,966.80-427,450.20-272,832.40

Finding the Fourth Proportional to 284,966.80, 427,450.20 and 272,832.40

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Solution

The fourth proportional to 284,966.80, 427,450.20 and 272,832.40 is: 409,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,966.80 : 427,450.20 = 272,832.40 : x
  2. Step 2: Convert to fraction form
    284,966.80/427,450.20 = 272,832.40/x
  3. Step 3: Cross multiply
    284,966.80x = 427,450.20 × 272,832.40
  4. Step 4: Simplify right side
    284,966.80x = 116,622,263,946.48
  5. Step 5: Solve for x
    x = 116,622,263,946.48/284,966.80
  6. Step 6: Final answer
    x = 409,248.60

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1.5x scale

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.