Home / 313,381.54-432,467.40-170,142.22

Finding the Fourth Proportional to 313,381.54, 432,467.40 and 170,142.22

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Solution

The fourth proportional to 313,381.54, 432,467.40 and 170,142.22 is: 234,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,381.54 : 432,467.40 = 170,142.22 : x
  2. Step 2: Convert to fraction form
    313,381.54/432,467.40 = 170,142.22/x
  3. Step 3: Cross multiply
    313,381.54x = 432,467.40 × 170,142.22
  4. Step 4: Simplify right side
    313,381.54x = 73,580,963,513.63
  5. Step 5: Solve for x
    x = 73,580,963,513.63/313,381.54
  6. Step 6: Final answer
    x = 234,796.74

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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.