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Finding the Fourth Proportional to 290,525.58, 435,816.69 and 113,047.02

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Solution

The fourth proportional to 290,525.58, 435,816.69 and 113,047.02 is: 169,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,525.58 : 435,816.69 = 113,047.02 : x
  2. Step 2: Convert to fraction form
    290,525.58/435,816.69 = 113,047.02/x
  3. Step 3: Cross multiply
    290,525.58x = 435,816.69 × 113,047.02
  4. Step 4: Simplify right side
    290,525.58x = 49,267,778,070.76
  5. Step 5: Solve for x
    x = 49,267,778,070.76/290,525.58
  6. Step 6: Final answer
    x = 169,581.55

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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.