Home / 429,281.20-592,378.44-238,279.56

Finding the Fourth Proportional to 429,281.20, 592,378.44 and 238,279.56

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Solution

The fourth proportional to 429,281.20, 592,378.44 and 238,279.56 is: 328,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,281.20 : 592,378.44 = 238,279.56 : x
  2. Step 2: Convert to fraction form
    429,281.20/592,378.44 = 238,279.56/x
  3. Step 3: Cross multiply
    429,281.20x = 592,378.44 × 238,279.56
  4. Step 4: Simplify right side
    429,281.20x = 141,151,674,036.69
  5. Step 5: Solve for x
    x = 141,151,674,036.69/429,281.20
  6. Step 6: Final answer
    x = 328,809.35

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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.