Home / 328,359.40-492,567.04-103,659.73

Finding the Fourth Proportional to 328,359.40, 492,567.04 and 103,659.73

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Solution

The fourth proportional to 328,359.40, 492,567.04 and 103,659.73 is: 155,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,359.40 : 492,567.04 = 103,659.73 : x
  2. Step 2: Convert to fraction form
    328,359.40/492,567.04 = 103,659.73/x
  3. Step 3: Cross multiply
    328,359.40x = 492,567.04 × 103,659.73
  4. Step 4: Simplify right side
    328,359.40x = 51,059,366,373.30
  5. Step 5: Solve for x
    x = 51,059,366,373.30/328,359.40
  6. Step 6: Final answer
    x = 155,498.42

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1.5x scale

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.