Home / 237,731.36-328,055.04-130,280

Finding the Fourth Proportional to 237,731.36, 328,055.04 and 130,280

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Solution

The fourth proportional to 237,731.36, 328,055.04 and 130,280 is: 179,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,731.36 : 328,055.04 = 130,280 : x
  2. Step 2: Convert to fraction form
    237,731.36/328,055.04 = 130,280/x
  3. Step 3: Cross multiply
    237,731.36x = 328,055.04 × 130,280
  4. Step 4: Simplify right side
    237,731.36x = 42,739,010,611.20
  5. Step 5: Solve for x
    x = 42,739,010,611.20/237,731.36
  6. Step 6: Final answer
    x = 179,778.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.