Home / 290,962.80-436,444.73-91,298.52

Finding the Fourth Proportional to 290,962.80, 436,444.73 and 91,298.52

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Solution

The fourth proportional to 290,962.80, 436,444.73 and 91,298.52 is: 136,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,962.80 : 436,444.73 = 91,298.52 : x
  2. Step 2: Convert to fraction form
    290,962.80/436,444.73 = 91,298.52/x
  3. Step 3: Cross multiply
    290,962.80x = 436,444.73 × 91,298.52
  4. Step 4: Simplify right side
    290,962.80x = 39,846,757,454.31
  5. Step 5: Solve for x
    x = 39,846,757,454.31/290,962.80
  6. Step 6: Final answer
    x = 136,947.94

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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.