Home / 492,063.20-738,094.80-243,231.20

Finding the Fourth Proportional to 492,063.20, 738,094.80 and 243,231.20

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Solution

The fourth proportional to 492,063.20, 738,094.80 and 243,231.20 is: 364,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,063.20 : 738,094.80 = 243,231.20 : x
  2. Step 2: Convert to fraction form
    492,063.20/738,094.80 = 243,231.20/x
  3. Step 3: Cross multiply
    492,063.20x = 738,094.80 × 243,231.20
  4. Step 4: Simplify right side
    492,063.20x = 179,527,683,917.76
  5. Step 5: Solve for x
    x = 179,527,683,917.76/492,063.20
  6. Step 6: Final answer
    x = 364,846.80

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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.