Home / 299,931.26-413,904.12-163,965.20

Finding the Fourth Proportional to 299,931.26, 413,904.12 and 163,965.20

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Solution

The fourth proportional to 299,931.26, 413,904.12 and 163,965.20 is: 226,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,931.26 : 413,904.12 = 163,965.20 : x
  2. Step 2: Convert to fraction form
    299,931.26/413,904.12 = 163,965.20/x
  3. Step 3: Cross multiply
    299,931.26x = 413,904.12 × 163,965.20
  4. Step 4: Simplify right side
    299,931.26x = 67,865,871,816.62
  5. Step 5: Solve for x
    x = 67,865,871,816.62/299,931.26
  6. Step 6: Final answer
    x = 226,271.42

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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.