Home / 366,868.20-549,380.70-293,140.20

Finding the Fourth Proportional to 366,868.20, 549,380.70 and 293,140.20

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Solution

The fourth proportional to 366,868.20, 549,380.70 and 293,140.20 is: 438,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,868.20 : 549,380.70 = 293,140.20 : x
  2. Step 2: Convert to fraction form
    366,868.20/549,380.70 = 293,140.20/x
  3. Step 3: Cross multiply
    366,868.20x = 549,380.70 × 293,140.20
  4. Step 4: Simplify right side
    366,868.20x = 161,045,568,274.14
  5. Step 5: Solve for x
    x = 161,045,568,274.14/366,868.20
  6. Step 6: Final answer
    x = 438,973.91

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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.