Home / 346,839.56-478,496.94-274,931

Finding the Fourth Proportional to 346,839.56, 478,496.94 and 274,931

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Solution

The fourth proportional to 346,839.56, 478,496.94 and 274,931 is: 379,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,839.56 : 478,496.94 = 274,931 : x
  2. Step 2: Convert to fraction form
    346,839.56/478,496.94 = 274,931/x
  3. Step 3: Cross multiply
    346,839.56x = 478,496.94 × 274,931
  4. Step 4: Simplify right side
    346,839.56x = 131,553,642,211.14
  5. Step 5: Solve for x
    x = 131,553,642,211.14/346,839.56
  6. Step 6: Final answer
    x = 379,292.50

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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.