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Finding the Fourth Proportional to 290,879.48, 436,275.48 and 101,368.64

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Solution

The fourth proportional to 290,879.48, 436,275.48 and 101,368.64 is: 152,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,879.48 : 436,275.48 = 101,368.64 : x
  2. Step 2: Convert to fraction form
    290,879.48/436,275.48 = 101,368.64/x
  3. Step 3: Cross multiply
    290,879.48x = 436,275.48 × 101,368.64
  4. Step 4: Simplify right side
    290,879.48x = 44,224,652,072.95
  5. Step 5: Solve for x
    x = 44,224,652,072.95/290,879.48
  6. Step 6: Final answer
    x = 152,037.72

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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.