Home / 330,484.19-456,066.99-187,271.60

Finding the Fourth Proportional to 330,484.19, 456,066.99 and 187,271.60

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Solution

The fourth proportional to 330,484.19, 456,066.99 and 187,271.60 is: 258,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,484.19 : 456,066.99 = 187,271.60 : x
  2. Step 2: Convert to fraction form
    330,484.19/456,066.99 = 187,271.60/x
  3. Step 3: Cross multiply
    330,484.19x = 456,066.99 × 187,271.60
  4. Step 4: Simplify right side
    330,484.19x = 85,408,392,644.15
  5. Step 5: Solve for x
    x = 85,408,392,644.15/330,484.19
  6. Step 6: Final answer
    x = 258,434.13

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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.