Home / 284,573.25-392,776.56-163,784.30

Finding the Fourth Proportional to 284,573.25, 392,776.56 and 163,784.30

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Solution

The fourth proportional to 284,573.25, 392,776.56 and 163,784.30 is: 226,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,573.25 : 392,776.56 = 163,784.30 : x
  2. Step 2: Convert to fraction form
    284,573.25/392,776.56 = 163,784.30/x
  3. Step 3: Cross multiply
    284,573.25x = 392,776.56 × 163,784.30
  4. Step 4: Simplify right side
    284,573.25x = 64,330,631,972.13
  5. Step 5: Solve for x
    x = 64,330,631,972.13/284,573.25
  6. Step 6: Final answer
    x = 226,060.01

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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.