Home / 630,188.12-945,280.58-270,125.50

Finding the Fourth Proportional to 630,188.12, 945,280.58 and 270,125.50

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Solution

The fourth proportional to 630,188.12, 945,280.58 and 270,125.50 is: 405,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,188.12 : 945,280.58 = 270,125.50 : x
  2. Step 2: Convert to fraction form
    630,188.12/945,280.58 = 270,125.50/x
  3. Step 3: Cross multiply
    630,188.12x = 945,280.58 × 270,125.50
  4. Step 4: Simplify right side
    630,188.12x = 255,344,389,312.79
  5. Step 5: Solve for x
    x = 255,344,389,312.79/630,188.12
  6. Step 6: Final answer
    x = 405,187.56

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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.