Home / 349,614.08-482,466.40-198,740.16

Finding the Fourth Proportional to 349,614.08, 482,466.40 and 198,740.16

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Solution

The fourth proportional to 349,614.08, 482,466.40 and 198,740.16 is: 274,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,614.08 : 482,466.40 = 198,740.16 : x
  2. Step 2: Convert to fraction form
    349,614.08/482,466.40 = 198,740.16/x
  3. Step 3: Cross multiply
    349,614.08x = 482,466.40 × 198,740.16
  4. Step 4: Simplify right side
    349,614.08x = 95,885,449,530.62
  5. Step 5: Solve for x
    x = 95,885,449,530.62/349,614.08
  6. Step 6: Final answer
    x = 274,260.84

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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.