Home / 377,637.82-521,153.94-205,547.47

Finding the Fourth Proportional to 377,637.82, 521,153.94 and 205,547.47

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Solution

The fourth proportional to 377,637.82, 521,153.94 and 205,547.47 is: 283,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,637.82 : 521,153.94 = 205,547.47 : x
  2. Step 2: Convert to fraction form
    377,637.82/521,153.94 = 205,547.47/x
  3. Step 3: Cross multiply
    377,637.82x = 521,153.94 × 205,547.47
  4. Step 4: Simplify right side
    377,637.82x = 107,121,873,847.53
  5. Step 5: Solve for x
    x = 107,121,873,847.53/377,637.82
  6. Step 6: Final answer
    x = 283,662.99

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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.