Home / 284,790.56-393,001.32-163,915.08

Finding the Fourth Proportional to 284,790.56, 393,001.32 and 163,915.08

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Solution

The fourth proportional to 284,790.56, 393,001.32 and 163,915.08 is: 226,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,790.56 : 393,001.32 = 163,915.08 : x
  2. Step 2: Convert to fraction form
    284,790.56/393,001.32 = 163,915.08/x
  3. Step 3: Cross multiply
    284,790.56x = 393,001.32 × 163,915.08
  4. Step 4: Simplify right side
    284,790.56x = 64,418,842,807.91
  5. Step 5: Solve for x
    x = 64,418,842,807.91/284,790.56
  6. Step 6: Final answer
    x = 226,197.25

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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.