Home / 578,043.30-867,048.65-157,322.82

Finding the Fourth Proportional to 578,043.30, 867,048.65 and 157,322.82

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Solution

The fourth proportional to 578,043.30, 867,048.65 and 157,322.82 is: 235,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,043.30 : 867,048.65 = 157,322.82 : x
  2. Step 2: Convert to fraction form
    578,043.30/867,048.65 = 157,322.82/x
  3. Step 3: Cross multiply
    578,043.30x = 867,048.65 × 157,322.82
  4. Step 4: Simplify right side
    578,043.30x = 136,406,538,695.19
  5. Step 5: Solve for x
    x = 136,406,538,695.19/578,043.30
  6. Step 6: Final answer
    x = 235,979.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.