Home / 313,496.09-432,627.78-170,258.93

Finding the Fourth Proportional to 313,496.09, 432,627.78 and 170,258.93

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Solution

The fourth proportional to 313,496.09, 432,627.78 and 170,258.93 is: 234,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,496.09 : 432,627.78 = 170,258.93 : x
  2. Step 2: Convert to fraction form
    313,496.09/432,627.78 = 170,258.93/x
  3. Step 3: Cross multiply
    313,496.09x = 432,627.78 × 170,258.93
  4. Step 4: Simplify right side
    313,496.09x = 73,658,740,747.94
  5. Step 5: Solve for x
    x = 73,658,740,747.94/313,496.09
  6. Step 6: Final answer
    x = 234,959.05

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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.