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Finding the Fourth Proportional to 349,276, 482,000.88 and 190,300

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Solution

The fourth proportional to 349,276, 482,000.88 and 190,300 is: 262,614

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,276 : 482,000.88 = 190,300 : x
  2. Step 2: Convert to fraction form
    349,276/482,000.88 = 190,300/x
  3. Step 3: Cross multiply
    349,276x = 482,000.88 × 190,300
  4. Step 4: Simplify right side
    349,276x = 91,724,767,464
  5. Step 5: Solve for x
    x = 91,724,767,464/349,276
  6. Step 6: Final answer
    x = 262,614

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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.