Home / 328,715.28-492,778.08-118,206

Finding the Fourth Proportional to 328,715.28, 492,778.08 and 118,206

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Solution

The fourth proportional to 328,715.28, 492,778.08 and 118,206 is: 177,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,715.28 : 492,778.08 = 118,206 : x
  2. Step 2: Convert to fraction form
    328,715.28/492,778.08 = 118,206/x
  3. Step 3: Cross multiply
    328,715.28x = 492,778.08 × 118,206
  4. Step 4: Simplify right side
    328,715.28x = 58,249,325,724.48
  5. Step 5: Solve for x
    x = 58,249,325,724.48/328,715.28
  6. Step 6: Final answer
    x = 177,202.98

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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.