Home / 376,931.58-565,134.92-140,210.70

Finding the Fourth Proportional to 376,931.58, 565,134.92 and 140,210.70

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Solution

The fourth proportional to 376,931.58, 565,134.92 and 140,210.70 is: 210,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,931.58 : 565,134.92 = 140,210.70 : x
  2. Step 2: Convert to fraction form
    376,931.58/565,134.92 = 140,210.70/x
  3. Step 3: Cross multiply
    376,931.58x = 565,134.92 × 140,210.70
  4. Step 4: Simplify right side
    376,931.58x = 79,237,962,727.64
  5. Step 5: Solve for x
    x = 79,237,962,727.64/376,931.58
  6. Step 6: Final answer
    x = 210,218.42

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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.