Home / 330,667.64-456,357.02-187,412.30

Finding the Fourth Proportional to 330,667.64, 456,357.02 and 187,412.30

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Solution

The fourth proportional to 330,667.64, 456,357.02 and 187,412.30 is: 258,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,667.64 : 456,357.02 = 187,412.30 : x
  2. Step 2: Convert to fraction form
    330,667.64/456,357.02 = 187,412.30/x
  3. Step 3: Cross multiply
    330,667.64x = 456,357.02 × 187,412.30
  4. Step 4: Simplify right side
    330,667.64x = 85,526,918,739.35
  5. Step 5: Solve for x
    x = 85,526,918,739.35/330,667.64
  6. Step 6: Final answer
    x = 258,649.19

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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.