Home / 398,292.12-549,594.72-226,147.32

Finding the Fourth Proportional to 398,292.12, 549,594.72 and 226,147.32

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Solution

The fourth proportional to 398,292.12, 549,594.72 and 226,147.32 is: 312,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,292.12 : 549,594.72 = 226,147.32 : x
  2. Step 2: Convert to fraction form
    398,292.12/549,594.72 = 226,147.32/x
  3. Step 3: Cross multiply
    398,292.12x = 549,594.72 × 226,147.32
  4. Step 4: Simplify right side
    398,292.12x = 124,289,373,014.15
  5. Step 5: Solve for x
    x = 124,289,373,014.15/398,292.12
  6. Step 6: Final answer
    x = 312,055.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.