Home / 230,048.08-317,458.57-129,426.64

Finding the Fourth Proportional to 230,048.08, 317,458.57 and 129,426.64

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Solution

The fourth proportional to 230,048.08, 317,458.57 and 129,426.64 is: 178,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,048.08 : 317,458.57 = 129,426.64 : x
  2. Step 2: Convert to fraction form
    230,048.08/317,458.57 = 129,426.64/x
  3. Step 3: Cross multiply
    230,048.08x = 317,458.57 × 129,426.64
  4. Step 4: Simplify right side
    230,048.08x = 41,087,596,054.30
  5. Step 5: Solve for x
    x = 41,087,596,054.30/230,048.08
  6. Step 6: Final answer
    x = 178,604.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.