Home / 272,931.84-376,727.04-172,396.80

Finding the Fourth Proportional to 272,931.84, 376,727.04 and 172,396.80

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Solution

The fourth proportional to 272,931.84, 376,727.04 and 172,396.80 is: 237,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,931.84 : 376,727.04 = 172,396.80 : x
  2. Step 2: Convert to fraction form
    272,931.84/376,727.04 = 172,396.80/x
  3. Step 3: Cross multiply
    272,931.84x = 376,727.04 × 172,396.80
  4. Step 4: Simplify right side
    272,931.84x = 64,946,536,169.47
  5. Step 5: Solve for x
    x = 64,946,536,169.47/272,931.84
  6. Step 6: Final answer
    x = 237,958.81

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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.