Home / 291,784.05-402,653.97-162,726.39

Finding the Fourth Proportional to 291,784.05, 402,653.97 and 162,726.39

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Solution

The fourth proportional to 291,784.05, 402,653.97 and 162,726.39 is: 224,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,784.05 : 402,653.97 = 162,726.39 : x
  2. Step 2: Convert to fraction form
    291,784.05/402,653.97 = 162,726.39/x
  3. Step 3: Cross multiply
    291,784.05x = 402,653.97 × 162,726.39
  4. Step 4: Simplify right side
    291,784.05x = 65,522,426,957.27
  5. Step 5: Solve for x
    x = 65,522,426,957.27/291,784.05
  6. Step 6: Final answer
    x = 224,557.95

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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.