Home / 370,311.60-555,467.40-341,443.20

Finding the Fourth Proportional to 370,311.60, 555,467.40 and 341,443.20

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Solution

The fourth proportional to 370,311.60, 555,467.40 and 341,443.20 is: 512,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,311.60 : 555,467.40 = 341,443.20 : x
  2. Step 2: Convert to fraction form
    370,311.60/555,467.40 = 341,443.20/x
  3. Step 3: Cross multiply
    370,311.60x = 555,467.40 × 341,443.20
  4. Step 4: Simplify right side
    370,311.60x = 189,660,566,551.68
  5. Step 5: Solve for x
    x = 189,660,566,551.68/370,311.60
  6. Step 6: Final answer
    x = 512,164.80

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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.