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Finding the Fourth Proportional to 340,330.98, 510,496.47 and 91,006.50

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Solution

The fourth proportional to 340,330.98, 510,496.47 and 91,006.50 is: 136,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,330.98 : 510,496.47 = 91,006.50 : x
  2. Step 2: Convert to fraction form
    340,330.98/510,496.47 = 91,006.50/x
  3. Step 3: Cross multiply
    340,330.98x = 510,496.47 × 91,006.50
  4. Step 4: Simplify right side
    340,330.98x = 46,458,496,997.06
  5. Step 5: Solve for x
    x = 46,458,496,997.06/340,330.98
  6. Step 6: Final answer
    x = 136,509.75

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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.