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Finding the Fourth Proportional to 290,619.46, 435,750.57 and 101,035.72

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Solution

The fourth proportional to 290,619.46, 435,750.57 and 101,035.72 is: 151,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,619.46 : 435,750.57 = 101,035.72 : x
  2. Step 2: Convert to fraction form
    290,619.46/435,750.57 = 101,035.72/x
  3. Step 3: Cross multiply
    290,619.46x = 435,750.57 × 101,035.72
  4. Step 4: Simplify right side
    290,619.46x = 44,026,371,490.98
  5. Step 5: Solve for x
    x = 44,026,371,490.98/290,619.46
  6. Step 6: Final answer
    x = 151,491.48

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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.