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Finding the Fourth Proportional to 290,745.70, 436,118.55 and 150,547.30

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Solution

The fourth proportional to 290,745.70, 436,118.55 and 150,547.30 is: 225,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,745.70 : 436,118.55 = 150,547.30 : x
  2. Step 2: Convert to fraction form
    290,745.70/436,118.55 = 150,547.30/x
  3. Step 3: Cross multiply
    290,745.70x = 436,118.55 × 150,547.30
  4. Step 4: Simplify right side
    290,745.70x = 65,656,470,182.42
  5. Step 5: Solve for x
    x = 65,656,470,182.42/290,745.70
  6. Step 6: Final answer
    x = 225,820.95

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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.