Home / 347,717.40-521,921.70-170,424.60

Finding the Fourth Proportional to 347,717.40, 521,921.70 and 170,424.60

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Solution

The fourth proportional to 347,717.40, 521,921.70 and 170,424.60 is: 255,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,717.40 : 521,921.70 = 170,424.60 : x
  2. Step 2: Convert to fraction form
    347,717.40/521,921.70 = 170,424.60/x
  3. Step 3: Cross multiply
    347,717.40x = 521,921.70 × 170,424.60
  4. Step 4: Simplify right side
    347,717.40x = 88,948,296,953.82
  5. Step 5: Solve for x
    x = 88,948,296,953.82/347,717.40
  6. Step 6: Final answer
    x = 255,806.29

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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.