Home / 245,499.12-367,779.60-205,772.40

Finding the Fourth Proportional to 245,499.12, 367,779.60 and 205,772.40

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Solution

The fourth proportional to 245,499.12, 367,779.60 and 205,772.40 is: 308,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,499.12 : 367,779.60 = 205,772.40 : x
  2. Step 2: Convert to fraction form
    245,499.12/367,779.60 = 205,772.40/x
  3. Step 3: Cross multiply
    245,499.12x = 367,779.60 × 205,772.40
  4. Step 4: Simplify right side
    245,499.12x = 75,678,890,963.04
  5. Step 5: Solve for x
    x = 75,678,890,963.04/245,499.12
  6. Step 6: Final answer
    x = 308,265.43

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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.