Home / 409,586.08-614,457.96-143,422.24

Finding the Fourth Proportional to 409,586.08, 614,457.96 and 143,422.24

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Solution

The fourth proportional to 409,586.08, 614,457.96 and 143,422.24 is: 215,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,586.08 : 614,457.96 = 143,422.24 : x
  2. Step 2: Convert to fraction form
    409,586.08/614,457.96 = 143,422.24/x
  3. Step 3: Cross multiply
    409,586.08x = 614,457.96 × 143,422.24
  4. Step 4: Simplify right side
    409,586.08x = 88,126,937,009.03
  5. Step 5: Solve for x
    x = 88,126,937,009.03/409,586.08
  6. Step 6: Final answer
    x = 215,160.97

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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.