Home / 369,623.25-554,435.41-89,140.50

Finding the Fourth Proportional to 369,623.25, 554,435.41 and 89,140.50

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Solution

The fourth proportional to 369,623.25, 554,435.41 and 89,140.50 is: 133,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,623.25 : 554,435.41 = 89,140.50 : x
  2. Step 2: Convert to fraction form
    369,623.25/554,435.41 = 89,140.50/x
  3. Step 3: Cross multiply
    369,623.25x = 554,435.41 × 89,140.50
  4. Step 4: Simplify right side
    369,623.25x = 49,422,649,665.11
  5. Step 5: Solve for x
    x = 49,422,649,665.11/369,623.25
  6. Step 6: Final answer
    x = 133,710.88

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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.