Home / 328,719.28-492,784.08-118,210

Finding the Fourth Proportional to 328,719.28, 492,784.08 and 118,210

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Solution

The fourth proportional to 328,719.28, 492,784.08 and 118,210 is: 177,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,719.28 : 492,784.08 = 118,210 : x
  2. Step 2: Convert to fraction form
    328,719.28/492,784.08 = 118,210/x
  3. Step 3: Cross multiply
    328,719.28x = 492,784.08 × 118,210
  4. Step 4: Simplify right side
    328,719.28x = 58,252,006,096.80
  5. Step 5: Solve for x
    x = 58,252,006,096.80/328,719.28
  6. Step 6: Final answer
    x = 177,208.97

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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.