Home / 264,280.40-396,530.04-145,941.20

Finding the Fourth Proportional to 264,280.40, 396,530.04 and 145,941.20

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Solution

The fourth proportional to 264,280.40, 396,530.04 and 145,941.20 is: 218,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,280.40 : 396,530.04 = 145,941.20 : x
  2. Step 2: Convert to fraction form
    264,280.40/396,530.04 = 145,941.20/x
  3. Step 3: Cross multiply
    264,280.40x = 396,530.04 × 145,941.20
  4. Step 4: Simplify right side
    264,280.40x = 57,870,069,873.65
  5. Step 5: Solve for x
    x = 57,870,069,873.65/264,280.40
  6. Step 6: Final answer
    x = 218,972.24

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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.