Home / 389,799.32-537,923.06-210,951.32

Finding the Fourth Proportional to 389,799.32, 537,923.06 and 210,951.32

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Solution

The fourth proportional to 389,799.32, 537,923.06 and 210,951.32 is: 291,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,799.32 : 537,923.06 = 210,951.32 : x
  2. Step 2: Convert to fraction form
    389,799.32/537,923.06 = 210,951.32/x
  3. Step 3: Cross multiply
    389,799.32x = 537,923.06 × 210,951.32
  4. Step 4: Simplify right side
    389,799.32x = 113,475,579,565.44
  5. Step 5: Solve for x
    x = 113,475,579,565.44/389,799.32
  6. Step 6: Final answer
    x = 291,112.82

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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.