Home / 284,255.12-392,296.06-163,437.95

Finding the Fourth Proportional to 284,255.12, 392,296.06 and 163,437.95

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Solution

The fourth proportional to 284,255.12, 392,296.06 and 163,437.95 is: 225,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,255.12 : 392,296.06 = 163,437.95 : x
  2. Step 2: Convert to fraction form
    284,255.12/392,296.06 = 163,437.95/x
  3. Step 3: Cross multiply
    284,255.12x = 392,296.06 × 163,437.95
  4. Step 4: Simplify right side
    284,255.12x = 64,116,065,024.51
  5. Step 5: Solve for x
    x = 64,116,065,024.51/284,255.12
  6. Step 6: Final answer
    x = 225,558.17

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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.