Home / 369,221.52-554,988.36-243,668.60

Finding the Fourth Proportional to 369,221.52, 554,988.36 and 243,668.60

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Solution

The fourth proportional to 369,221.52, 554,988.36 and 243,668.60 is: 366,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,221.52 : 554,988.36 = 243,668.60 : x
  2. Step 2: Convert to fraction form
    369,221.52/554,988.36 = 243,668.60/x
  3. Step 3: Cross multiply
    369,221.52x = 554,988.36 × 243,668.60
  4. Step 4: Simplify right side
    369,221.52x = 135,233,236,697.50
  5. Step 5: Solve for x
    x = 135,233,236,697.50/369,221.52
  6. Step 6: Final answer
    x = 366,265.86

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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.