Home / 284,738.47-393,038.03-163,927.90

Finding the Fourth Proportional to 284,738.47, 393,038.03 and 163,927.90

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Solution

The fourth proportional to 284,738.47, 393,038.03 and 163,927.90 is: 226,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,738.47 : 393,038.03 = 163,927.90 : x
  2. Step 2: Convert to fraction form
    284,738.47/393,038.03 = 163,927.90/x
  3. Step 3: Cross multiply
    284,738.47x = 393,038.03 × 163,927.90
  4. Step 4: Simplify right side
    284,738.47x = 64,429,898,305.26
  5. Step 5: Solve for x
    x = 64,429,898,305.26/284,738.47
  6. Step 6: Final answer
    x = 226,277.46

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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.