Home / 290,868.02-436,298.76-113,499.62

Finding the Fourth Proportional to 290,868.02, 436,298.76 and 113,499.62

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Solution

The fourth proportional to 290,868.02, 436,298.76 and 113,499.62 is: 170,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,868.02 : 436,298.76 = 113,499.62 : x
  2. Step 2: Convert to fraction form
    290,868.02/436,298.76 = 113,499.62/x
  3. Step 3: Cross multiply
    290,868.02x = 436,298.76 × 113,499.62
  4. Step 4: Simplify right side
    290,868.02x = 49,519,743,466.47
  5. Step 5: Solve for x
    x = 49,519,743,466.47/290,868.02
  6. Step 6: Final answer
    x = 170,248.15

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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.