Home / 409,579.96-614,646.70-143,342.76

Finding the Fourth Proportional to 409,579.96, 614,646.70 and 143,342.76

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Solution

The fourth proportional to 409,579.96, 614,646.70 and 143,342.76 is: 215,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,579.96 : 614,646.70 = 143,342.76 : x
  2. Step 2: Convert to fraction form
    409,579.96/614,646.70 = 143,342.76/x
  3. Step 3: Cross multiply
    409,579.96x = 614,646.70 × 143,342.76
  4. Step 4: Simplify right side
    409,579.96x = 88,105,154,402.89
  5. Step 5: Solve for x
    x = 88,105,154,402.89/409,579.96
  6. Step 6: Final answer
    x = 215,111.00

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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.