Home / 389,264.04-583,818.24-108,783.72

Finding the Fourth Proportional to 389,264.04, 583,818.24 and 108,783.72

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Solution

The fourth proportional to 389,264.04, 583,818.24 and 108,783.72 is: 163,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,264.04 : 583,818.24 = 108,783.72 : x
  2. Step 2: Convert to fraction form
    389,264.04/583,818.24 = 108,783.72/x
  3. Step 3: Cross multiply
    389,264.04x = 583,818.24 × 108,783.72
  4. Step 4: Simplify right side
    389,264.04x = 63,509,919,951.05
  5. Step 5: Solve for x
    x = 63,509,919,951.05/389,264.04
  6. Step 6: Final answer
    x = 163,153.83

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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.