Home / 369,209.28-554,969.95-243,656.34

Finding the Fourth Proportional to 369,209.28, 554,969.95 and 243,656.34

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Solution

The fourth proportional to 369,209.28, 554,969.95 and 243,656.34 is: 366,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,209.28 : 554,969.95 = 243,656.34 : x
  2. Step 2: Convert to fraction form
    369,209.28/554,969.95 = 243,656.34/x
  3. Step 3: Cross multiply
    369,209.28x = 554,969.95 × 243,656.34
  4. Step 4: Simplify right side
    369,209.28x = 135,221,946,826.98
  5. Step 5: Solve for x
    x = 135,221,946,826.98/369,209.28
  6. Step 6: Final answer
    x = 366,247.43

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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.