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Finding the Fourth Proportional to 290,877.48, 436,272.48 and 101,366.64

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Solution

The fourth proportional to 290,877.48, 436,272.48 and 101,366.64 is: 152,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,877.48 : 436,272.48 = 101,366.64 : x
  2. Step 2: Convert to fraction form
    290,877.48/436,272.48 = 101,366.64/x
  3. Step 3: Cross multiply
    290,877.48x = 436,272.48 × 101,366.64
  4. Step 4: Simplify right side
    290,877.48x = 44,223,475,422.07
  5. Step 5: Solve for x
    x = 44,223,475,422.07/290,877.48
  6. Step 6: Final answer
    x = 152,034.72

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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.