Home / 630,149.82-945,365.25-180,835.68

Finding the Fourth Proportional to 630,149.82, 945,365.25 and 180,835.68

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Solution

The fourth proportional to 630,149.82, 945,365.25 and 180,835.68 is: 271,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,149.82 : 945,365.25 = 180,835.68 : x
  2. Step 2: Convert to fraction form
    630,149.82/945,365.25 = 180,835.68/x
  3. Step 3: Cross multiply
    630,149.82x = 945,365.25 × 180,835.68
  4. Step 4: Simplify right side
    630,149.82x = 170,955,767,832.12
  5. Step 5: Solve for x
    x = 170,955,767,832.12/630,149.82
  6. Step 6: Final answer
    x = 271,293.85

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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.