Home / 359,208.12-538,777.19-145,988.81

Finding the Fourth Proportional to 359,208.12, 538,777.19 and 145,988.81

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Solution

The fourth proportional to 359,208.12, 538,777.19 and 145,988.81 is: 218,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,208.12 : 538,777.19 = 145,988.81 : x
  2. Step 2: Convert to fraction form
    359,208.12/538,777.19 = 145,988.81/x
  3. Step 3: Cross multiply
    359,208.12x = 538,777.19 × 145,988.81
  4. Step 4: Simplify right side
    359,208.12x = 78,655,440,093.30
  5. Step 5: Solve for x
    x = 78,655,440,093.30/359,208.12
  6. Step 6: Final answer
    x = 218,969.00

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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.