Home / 389,079.58-583,881.90-152,392.72

Finding the Fourth Proportional to 389,079.58, 583,881.90 and 152,392.72

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Solution

The fourth proportional to 389,079.58, 583,881.90 and 152,392.72 is: 228,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,079.58 : 583,881.90 = 152,392.72 : x
  2. Step 2: Convert to fraction form
    389,079.58/583,881.90 = 152,392.72/x
  3. Step 3: Cross multiply
    389,079.58x = 583,881.90 × 152,392.72
  4. Step 4: Simplify right side
    389,079.58x = 88,979,350,899.77
  5. Step 5: Solve for x
    x = 88,979,350,899.77/389,079.58
  6. Step 6: Final answer
    x = 228,691.91

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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.