Home / 545,039.80-817,851.30-229,528.60

Finding the Fourth Proportional to 545,039.80, 817,851.30 and 229,528.60

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Solution

The fourth proportional to 545,039.80, 817,851.30 and 229,528.60 is: 344,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,039.80 : 817,851.30 = 229,528.60 : x
  2. Step 2: Convert to fraction form
    545,039.80/817,851.30 = 229,528.60/x
  3. Step 3: Cross multiply
    545,039.80x = 817,851.30 × 229,528.60
  4. Step 4: Simplify right side
    545,039.80x = 187,720,263,897.18
  5. Step 5: Solve for x
    x = 187,720,263,897.18/545,039.80
  6. Step 6: Final answer
    x = 344,415.70

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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.