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Finding the Fourth Proportional to 578,509.52, 867,848.76 and 179,186

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Solution

The fourth proportional to 578,509.52, 867,848.76 and 179,186 is: 268,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,509.52 : 867,848.76 = 179,186 : x
  2. Step 2: Convert to fraction form
    578,509.52/867,848.76 = 179,186/x
  3. Step 3: Cross multiply
    578,509.52x = 867,848.76 × 179,186
  4. Step 4: Simplify right side
    578,509.52x = 155,506,347,909.36
  5. Step 5: Solve for x
    x = 155,506,347,909.36/578,509.52
  6. Step 6: Final answer
    x = 268,805.17

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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.