Home / 328,720.28-492,785.58-118,211

Finding the Fourth Proportional to 328,720.28, 492,785.58 and 118,211

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Solution

The fourth proportional to 328,720.28, 492,785.58 and 118,211 is: 177,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720.28 : 492,785.58 = 118,211 : x
  2. Step 2: Convert to fraction form
    328,720.28/492,785.58 = 118,211/x
  3. Step 3: Cross multiply
    328,720.28x = 492,785.58 × 118,211
  4. Step 4: Simplify right side
    328,720.28x = 58,252,676,197.38
  5. Step 5: Solve for x
    x = 58,252,676,197.38/328,720.28
  6. Step 6: Final answer
    x = 177,210.47

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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.