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Finding the Fourth Proportional to 366,098.40, 549,147.60 and 259,810.20

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Solution

The fourth proportional to 366,098.40, 549,147.60 and 259,810.20 is: 389,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,098.40 : 549,147.60 = 259,810.20 : x
  2. Step 2: Convert to fraction form
    366,098.40/549,147.60 = 259,810.20/x
  3. Step 3: Cross multiply
    366,098.40x = 549,147.60 × 259,810.20
  4. Step 4: Simplify right side
    366,098.40x = 142,674,147,785.52
  5. Step 5: Solve for x
    x = 142,674,147,785.52/366,098.40
  6. Step 6: Final answer
    x = 389,715.30

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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.