Home / 313,465.28-432,877.32-218,232.38

Finding the Fourth Proportional to 313,465.28, 432,877.32 and 218,232.38

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Solution

The fourth proportional to 313,465.28, 432,877.32 and 218,232.38 is: 301,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,465.28 : 432,877.32 = 218,232.38 : x
  2. Step 2: Convert to fraction form
    313,465.28/432,877.32 = 218,232.38/x
  3. Step 3: Cross multiply
    313,465.28x = 432,877.32 × 218,232.38
  4. Step 4: Simplify right side
    313,465.28x = 94,467,847,791.62
  5. Step 5: Solve for x
    x = 94,467,847,791.62/313,465.28
  6. Step 6: Final answer
    x = 301,366.22

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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.