Home / 310,822.18-428,933.94-174,856.21

Finding the Fourth Proportional to 310,822.18, 428,933.94 and 174,856.21

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Solution

The fourth proportional to 310,822.18, 428,933.94 and 174,856.21 is: 241,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,822.18 : 428,933.94 = 174,856.21 : x
  2. Step 2: Convert to fraction form
    310,822.18/428,933.94 = 174,856.21/x
  3. Step 3: Cross multiply
    310,822.18x = 428,933.94 × 174,856.21
  4. Step 4: Simplify right side
    310,822.18x = 75,001,763,088.77
  5. Step 5: Solve for x
    x = 75,001,763,088.77/310,822.18
  6. Step 6: Final answer
    x = 241,301.19

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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.