Home / 369,108.90-553,634.55-144,425.70

Finding the Fourth Proportional to 369,108.90, 553,634.55 and 144,425.70

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Solution

The fourth proportional to 369,108.90, 553,634.55 and 144,425.70 is: 216,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,108.90 : 553,634.55 = 144,425.70 : x
  2. Step 2: Convert to fraction form
    369,108.90/553,634.55 = 144,425.70/x
  3. Step 3: Cross multiply
    369,108.90x = 553,634.55 × 144,425.70
  4. Step 4: Simplify right side
    369,108.90x = 79,959,057,427.94
  5. Step 5: Solve for x
    x = 79,959,057,427.94/369,108.90
  6. Step 6: Final answer
    x = 216,627.28

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1.5x scale

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.