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Finding the Fourth Proportional to 340,696.29, 510,389.40 and 190,480.98

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Solution

The fourth proportional to 340,696.29, 510,389.40 and 190,480.98 is: 285,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,696.29 : 510,389.40 = 190,480.98 : x
  2. Step 2: Convert to fraction form
    340,696.29/510,389.40 = 190,480.98/x
  3. Step 3: Cross multiply
    340,696.29x = 510,389.40 × 190,480.98
  4. Step 4: Simplify right side
    340,696.29x = 97,219,473,093.61
  5. Step 5: Solve for x
    x = 97,219,473,093.61/340,696.29
  6. Step 6: Final answer
    x = 285,355.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.