Home / 369,986.94-554,755.65-145,077.90

Finding the Fourth Proportional to 369,986.94, 554,755.65 and 145,077.90

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Solution

The fourth proportional to 369,986.94, 554,755.65 and 145,077.90 is: 217,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,986.94 : 554,755.65 = 145,077.90 : x
  2. Step 2: Convert to fraction form
    369,986.94/554,755.65 = 145,077.90/x
  3. Step 3: Cross multiply
    369,986.94x = 554,755.65 × 145,077.90
  4. Step 4: Simplify right side
    369,986.94x = 80,482,784,715.14
  5. Step 5: Solve for x
    x = 80,482,784,715.14/369,986.94
  6. Step 6: Final answer
    x = 217,528.72

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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.