Home / 353,337.40-487,561.26-238,865.05

Finding the Fourth Proportional to 353,337.40, 487,561.26 and 238,865.05

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Solution

The fourth proportional to 353,337.40, 487,561.26 and 238,865.05 is: 329,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,337.40 : 487,561.26 = 238,865.05 : x
  2. Step 2: Convert to fraction form
    353,337.40/487,561.26 = 238,865.05/x
  3. Step 3: Cross multiply
    353,337.40x = 487,561.26 × 238,865.05
  4. Step 4: Simplify right side
    353,337.40x = 116,461,344,747.96
  5. Step 5: Solve for x
    x = 116,461,344,747.96/353,337.40
  6. Step 6: Final answer
    x = 329,603.79

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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.