Home / 492,152.20-738,228.30-118,175.20

Finding the Fourth Proportional to 492,152.20, 738,228.30 and 118,175.20

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Solution

The fourth proportional to 492,152.20, 738,228.30 and 118,175.20 is: 177,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,152.20 : 738,228.30 = 118,175.20 : x
  2. Step 2: Convert to fraction form
    492,152.20/738,228.30 = 118,175.20/x
  3. Step 3: Cross multiply
    492,152.20x = 738,228.30 × 118,175.20
  4. Step 4: Simplify right side
    492,152.20x = 87,240,276,998.16
  5. Step 5: Solve for x
    x = 87,240,276,998.16/492,152.20
  6. Step 6: Final answer
    x = 177,262.80

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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.