Home / 400,225.30-600,427.50-210,774.86

Finding the Fourth Proportional to 400,225.30, 600,427.50 and 210,774.86

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Solution

The fourth proportional to 400,225.30, 600,427.50 and 210,774.86 is: 316,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,225.30 : 600,427.50 = 210,774.86 : x
  2. Step 2: Convert to fraction form
    400,225.30/600,427.50 = 210,774.86/x
  3. Step 3: Cross multiply
    400,225.30x = 600,427.50 × 210,774.86
  4. Step 4: Simplify right side
    400,225.30x = 126,555,022,252.65
  5. Step 5: Solve for x
    x = 126,555,022,252.65/400,225.30
  6. Step 6: Final answer
    x = 316,209.45

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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.