Home / 406,669.28-561,205.04-225,384.24

Finding the Fourth Proportional to 406,669.28, 561,205.04 and 225,384.24

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Solution

The fourth proportional to 406,669.28, 561,205.04 and 225,384.24 is: 311,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,669.28 : 561,205.04 = 225,384.24 : x
  2. Step 2: Convert to fraction form
    406,669.28/561,205.04 = 225,384.24/x
  3. Step 3: Cross multiply
    406,669.28x = 561,205.04 × 225,384.24
  4. Step 4: Simplify right side
    406,669.28x = 126,486,771,424.57
  5. Step 5: Solve for x
    x = 126,486,771,424.57/406,669.28
  6. Step 6: Final answer
    x = 311,031.05

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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.