Home / 286,512.40-395,264.64-179,009.20

Finding the Fourth Proportional to 286,512.40, 395,264.64 and 179,009.20

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Solution

The fourth proportional to 286,512.40, 395,264.64 and 179,009.20 is: 246,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,512.40 : 395,264.64 = 179,009.20 : x
  2. Step 2: Convert to fraction form
    286,512.40/395,264.64 = 179,009.20/x
  3. Step 3: Cross multiply
    286,512.40x = 395,264.64 × 179,009.20
  4. Step 4: Simplify right side
    286,512.40x = 70,756,006,994.69
  5. Step 5: Solve for x
    x = 70,756,006,994.69/286,512.40
  6. Step 6: Final answer
    x = 246,956.18

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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.