Home / 330,808.46-456,566.63-187,538.09

Finding the Fourth Proportional to 330,808.46, 456,566.63 and 187,538.09

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Solution

The fourth proportional to 330,808.46, 456,566.63 and 187,538.09 is: 258,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,808.46 : 456,566.63 = 187,538.09 : x
  2. Step 2: Convert to fraction form
    330,808.46/456,566.63 = 187,538.09/x
  3. Step 3: Cross multiply
    330,808.46x = 456,566.63 × 187,538.09
  4. Step 4: Simplify right side
    330,808.46x = 85,623,630,527.41
  5. Step 5: Solve for x
    x = 85,623,630,527.41/330,808.46
  6. Step 6: Final answer
    x = 258,831.45

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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.