Home / 366,819.40-549,537.90-188,720.20

Finding the Fourth Proportional to 366,819.40, 549,537.90 and 188,720.20

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Solution

The fourth proportional to 366,819.40, 549,537.90 and 188,720.20 is: 282,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,819.40 : 549,537.90 = 188,720.20 : x
  2. Step 2: Convert to fraction form
    366,819.40/549,537.90 = 188,720.20/x
  3. Step 3: Cross multiply
    366,819.40x = 549,537.90 × 188,720.20
  4. Step 4: Simplify right side
    366,819.40x = 103,708,902,395.58
  5. Step 5: Solve for x
    x = 103,708,902,395.58/366,819.40
  6. Step 6: Final answer
    x = 282,724.69

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1.5x scale

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.