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Finding the Fourth Proportional to 202,279.20, 302,835.60 and 123,547.20

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Solution

The fourth proportional to 202,279.20, 302,835.60 and 123,547.20 is: 184,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.20 : 302,835.60 = 123,547.20 : x
  2. Step 2: Convert to fraction form
    202,279.20/302,835.60 = 123,547.20/x
  3. Step 3: Cross multiply
    202,279.20x = 302,835.60 × 123,547.20
  4. Step 4: Simplify right side
    202,279.20x = 37,414,490,440.32
  5. Step 5: Solve for x
    x = 37,414,490,440.32/202,279.20
  6. Step 6: Final answer
    x = 184,964.60

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1.5x scale

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.