Home / 457,181.60-630,985.36-273,408.16

Finding the Fourth Proportional to 457,181.60, 630,985.36 and 273,408.16

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Solution

The fourth proportional to 457,181.60, 630,985.36 and 273,408.16 is: 377,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,181.60 : 630,985.36 = 273,408.16 : x
  2. Step 2: Convert to fraction form
    457,181.60/630,985.36 = 273,408.16/x
  3. Step 3: Cross multiply
    457,181.60x = 630,985.36 × 273,408.16
  4. Step 4: Simplify right side
    457,181.60x = 172,516,546,264.54
  5. Step 5: Solve for x
    x = 172,516,546,264.54/457,181.60
  6. Step 6: Final answer
    x = 377,347.96

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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.