Home / 376,823.88-520,018.02-207,066.60

Finding the Fourth Proportional to 376,823.88, 520,018.02 and 207,066.60

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Solution

The fourth proportional to 376,823.88, 520,018.02 and 207,066.60 is: 285,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,823.88 : 520,018.02 = 207,066.60 : x
  2. Step 2: Convert to fraction form
    376,823.88/520,018.02 = 207,066.60/x
  3. Step 3: Cross multiply
    376,823.88x = 520,018.02 × 207,066.60
  4. Step 4: Simplify right side
    376,823.88x = 107,678,363,340.13
  5. Step 5: Solve for x
    x = 107,678,363,340.13/376,823.88
  6. Step 6: Final answer
    x = 285,752.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.