Home / 357,284.03-535,984.37-132,645.11

Finding the Fourth Proportional to 357,284.03, 535,984.37 and 132,645.11

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Solution

The fourth proportional to 357,284.03, 535,984.37 and 132,645.11 is: 198,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,284.03 : 535,984.37 = 132,645.11 : x
  2. Step 2: Convert to fraction form
    357,284.03/535,984.37 = 132,645.11/x
  3. Step 3: Cross multiply
    357,284.03x = 535,984.37 × 132,645.11
  4. Step 4: Simplify right side
    357,284.03x = 71,095,705,053.71
  5. Step 5: Solve for x
    x = 71,095,705,053.71/357,284.03
  6. Step 6: Final answer
    x = 198,989.32

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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.