Home / 290,629.12-435,685.38-113,094.64

Finding the Fourth Proportional to 290,629.12, 435,685.38 and 113,094.64

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Solution

The fourth proportional to 290,629.12, 435,685.38 and 113,094.64 is: 169,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,629.12 : 435,685.38 = 113,094.64 : x
  2. Step 2: Convert to fraction form
    290,629.12/435,685.38 = 113,094.64/x
  3. Step 3: Cross multiply
    290,629.12x = 435,685.38 × 113,094.64
  4. Step 4: Simplify right side
    290,629.12x = 49,273,681,204.36
  5. Step 5: Solve for x
    x = 49,273,681,204.36/290,629.12
  6. Step 6: Final answer
    x = 169,541.45

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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.