Home / 492,979.93-739,156.42-208,521.70

Finding the Fourth Proportional to 492,979.93, 739,156.42 and 208,521.70

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Solution

The fourth proportional to 492,979.93, 739,156.42 and 208,521.70 is: 312,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,979.93 : 739,156.42 = 208,521.70 : x
  2. Step 2: Convert to fraction form
    492,979.93/739,156.42 = 208,521.70/x
  3. Step 3: Cross multiply
    492,979.93x = 739,156.42 × 208,521.70
  4. Step 4: Simplify right side
    492,979.93x = 154,130,152,861.67
  5. Step 5: Solve for x
    x = 154,130,152,861.67/492,979.93
  6. Step 6: Final answer
    x = 312,649.96

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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.