Home / 370,927.20-556,390.80-291,211.05

Finding the Fourth Proportional to 370,927.20, 556,390.80 and 291,211.05

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Solution

The fourth proportional to 370,927.20, 556,390.80 and 291,211.05 is: 436,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,927.20 : 556,390.80 = 291,211.05 : x
  2. Step 2: Convert to fraction form
    370,927.20/556,390.80 = 291,211.05/x
  3. Step 3: Cross multiply
    370,927.20x = 556,390.80 × 291,211.05
  4. Step 4: Simplify right side
    370,927.20x = 162,027,149,078.34
  5. Step 5: Solve for x
    x = 162,027,149,078.34/370,927.20
  6. Step 6: Final answer
    x = 436,816.58

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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.