Home / 418,943.25-578,136.83-227,953.35

Finding the Fourth Proportional to 418,943.25, 578,136.83 and 227,953.35

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Solution

The fourth proportional to 418,943.25, 578,136.83 and 227,953.35 is: 314,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,943.25 : 578,136.83 = 227,953.35 : x
  2. Step 2: Convert to fraction form
    418,943.25/578,136.83 = 227,953.35/x
  3. Step 3: Cross multiply
    418,943.25x = 578,136.83 × 227,953.35
  4. Step 4: Simplify right side
    418,943.25x = 131,788,226,017.11
  5. Step 5: Solve for x
    x = 131,788,226,017.11/418,943.25
  6. Step 6: Final answer
    x = 314,572.98

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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.