Home / 402,994.06-556,211.30-231,027.50

Finding the Fourth Proportional to 402,994.06, 556,211.30 and 231,027.50

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Solution

The fourth proportional to 402,994.06, 556,211.30 and 231,027.50 is: 318,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,994.06 : 556,211.30 = 231,027.50 : x
  2. Step 2: Convert to fraction form
    402,994.06/556,211.30 = 231,027.50/x
  3. Step 3: Cross multiply
    402,994.06x = 556,211.30 × 231,027.50
  4. Step 4: Simplify right side
    402,994.06x = 128,500,106,346.14
  5. Step 5: Solve for x
    x = 128,500,106,346.14/402,994.06
  6. Step 6: Final answer
    x = 318,863.53

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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.