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Finding the Fourth Proportional to 290,620.46, 435,752.07 and 101,036.72

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Solution

The fourth proportional to 290,620.46, 435,752.07 and 101,036.72 is: 151,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,620.46 : 435,752.07 = 101,036.72 : x
  2. Step 2: Convert to fraction form
    290,620.46/435,752.07 = 101,036.72/x
  3. Step 3: Cross multiply
    290,620.46x = 435,752.07 × 101,036.72
  4. Step 4: Simplify right side
    290,620.46x = 44,026,959,886.01
  5. Step 5: Solve for x
    x = 44,026,959,886.01/290,620.46
  6. Step 6: Final answer
    x = 151,492.98

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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.