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Finding the Fourth Proportional to 194,355, 291,062.30 and 94,267.35

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Solution

The fourth proportional to 194,355, 291,062.30 and 94,267.35 is: 141,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,355 : 291,062.30 = 94,267.35 : x
  2. Step 2: Convert to fraction form
    194,355/291,062.30 = 94,267.35/x
  3. Step 3: Cross multiply
    194,355x = 291,062.30 × 94,267.35
  4. Step 4: Simplify right side
    194,355x = 27,437,671,234.57
  5. Step 5: Solve for x
    x = 27,437,671,234.57/194,355
  6. Step 6: Final answer
    x = 141,172.96

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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.