Home / 370,928.70-556,393.05-291,212.55

Finding the Fourth Proportional to 370,928.70, 556,393.05 and 291,212.55

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Solution

The fourth proportional to 370,928.70, 556,393.05 and 291,212.55 is: 436,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,928.70 : 556,393.05 = 291,212.55 : x
  2. Step 2: Convert to fraction form
    370,928.70/556,393.05 = 291,212.55/x
  3. Step 3: Cross multiply
    370,928.70x = 556,393.05 × 291,212.55
  4. Step 4: Simplify right side
    370,928.70x = 162,028,638,892.78
  5. Step 5: Solve for x
    x = 162,028,638,892.78/370,928.70
  6. Step 6: Final answer
    x = 436,818.83

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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.