Home / 377,277.90-565,722.45-140,498.70

Finding the Fourth Proportional to 377,277.90, 565,722.45 and 140,498.70

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Solution

The fourth proportional to 377,277.90, 565,722.45 and 140,498.70 is: 210,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,277.90 : 565,722.45 = 140,498.70 : x
  2. Step 2: Convert to fraction form
    377,277.90/565,722.45 = 140,498.70/x
  3. Step 3: Cross multiply
    377,277.90x = 565,722.45 × 140,498.70
  4. Step 4: Simplify right side
    377,277.90x = 79,483,268,785.82
  5. Step 5: Solve for x
    x = 79,483,268,785.82/377,277.90
  6. Step 6: Final answer
    x = 210,675.66

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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.