Home / 389,093.58-583,902.90-152,406.72

Finding the Fourth Proportional to 389,093.58, 583,902.90 and 152,406.72

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Solution

The fourth proportional to 389,093.58, 583,902.90 and 152,406.72 is: 228,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,093.58 : 583,902.90 = 152,406.72 : x
  2. Step 2: Convert to fraction form
    389,093.58/583,902.90 = 152,406.72/x
  3. Step 3: Cross multiply
    389,093.58x = 583,902.90 × 152,406.72
  4. Step 4: Simplify right side
    389,093.58x = 88,990,725,787.49
  5. Step 5: Solve for x
    x = 88,990,725,787.49/389,093.58
  6. Step 6: Final answer
    x = 228,712.91

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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.