Home / 279,154.42-385,068.94-175,623.93

Finding the Fourth Proportional to 279,154.42, 385,068.94 and 175,623.93

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Solution

The fourth proportional to 279,154.42, 385,068.94 and 175,623.93 is: 242,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,154.42 : 385,068.94 = 175,623.93 : x
  2. Step 2: Convert to fraction form
    279,154.42/385,068.94 = 175,623.93/x
  3. Step 3: Cross multiply
    279,154.42x = 385,068.94 × 175,623.93
  4. Step 4: Simplify right side
    279,154.42x = 67,627,320,124.67
  5. Step 5: Solve for x
    x = 67,627,320,124.67/279,154.42
  6. Step 6: Final answer
    x = 242,257.75

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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.