Home / 630,026.82-945,038.34-156,712.20

Finding the Fourth Proportional to 630,026.82, 945,038.34 and 156,712.20

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Solution

The fourth proportional to 630,026.82, 945,038.34 and 156,712.20 is: 235,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,026.82 : 945,038.34 = 156,712.20 : x
  2. Step 2: Convert to fraction form
    630,026.82/945,038.34 = 156,712.20/x
  3. Step 3: Cross multiply
    630,026.82x = 945,038.34 × 156,712.20
  4. Step 4: Simplify right side
    630,026.82x = 148,099,037,345.75
  5. Step 5: Solve for x
    x = 148,099,037,345.75/630,026.82
  6. Step 6: Final answer
    x = 235,067.83

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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.