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Finding the Fourth Proportional to 456,656.65, 630,170.69 and 252,716.18

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Solution

The fourth proportional to 456,656.65, 630,170.69 and 252,716.18 is: 348,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,656.65 : 630,170.69 = 252,716.18 : x
  2. Step 2: Convert to fraction form
    456,656.65/630,170.69 = 252,716.18/x
  3. Step 3: Cross multiply
    456,656.65x = 630,170.69 × 252,716.18
  4. Step 4: Simplify right side
    456,656.65x = 159,254,325,110.33
  5. Step 5: Solve for x
    x = 159,254,325,110.33/456,656.65
  6. Step 6: Final answer
    x = 348,739.75

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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.