Home / 374,217.40-561,326.10-256,022.20

Finding the Fourth Proportional to 374,217.40, 561,326.10 and 256,022.20

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Solution

The fourth proportional to 374,217.40, 561,326.10 and 256,022.20 is: 384,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,217.40 : 561,326.10 = 256,022.20 : x
  2. Step 2: Convert to fraction form
    374,217.40/561,326.10 = 256,022.20/x
  3. Step 3: Cross multiply
    374,217.40x = 561,326.10 × 256,022.20
  4. Step 4: Simplify right side
    374,217.40x = 143,711,943,039.42
  5. Step 5: Solve for x
    x = 143,711,943,039.42/374,217.40
  6. Step 6: Final answer
    x = 384,033.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.