Home / 418,315.03-577,280.97-227,328.57

Finding the Fourth Proportional to 418,315.03, 577,280.97 and 227,328.57

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Solution

The fourth proportional to 418,315.03, 577,280.97 and 227,328.57 is: 313,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,315.03 : 577,280.97 = 227,328.57 : x
  2. Step 2: Convert to fraction form
    418,315.03/577,280.97 = 227,328.57/x
  3. Step 3: Cross multiply
    418,315.03x = 577,280.97 × 227,328.57
  4. Step 4: Simplify right side
    418,315.03x = 131,232,457,398.31
  5. Step 5: Solve for x
    x = 131,232,457,398.31/418,315.03
  6. Step 6: Final answer
    x = 313,716.81

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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.