Home / 316,238.68-436,158.18-238,972.36

Finding the Fourth Proportional to 316,238.68, 436,158.18 and 238,972.36

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Solution

The fourth proportional to 316,238.68, 436,158.18 and 238,972.36 is: 329,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,238.68 : 436,158.18 = 238,972.36 : x
  2. Step 2: Convert to fraction form
    316,238.68/436,158.18 = 238,972.36/x
  3. Step 3: Cross multiply
    316,238.68x = 436,158.18 × 238,972.36
  4. Step 4: Simplify right side
    316,238.68x = 104,229,749,607.91
  5. Step 5: Solve for x
    x = 104,229,749,607.91/316,238.68
  6. Step 6: Final answer
    x = 329,592.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.