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Finding the Fourth Proportional to 186,214.62, 279,324.53 and 53,094.93

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Solution

The fourth proportional to 186,214.62, 279,324.53 and 53,094.93 is: 79,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,214.62 : 279,324.53 = 53,094.93 : x
  2. Step 2: Convert to fraction form
    186,214.62/279,324.53 = 53,094.93/x
  3. Step 3: Cross multiply
    186,214.62x = 279,324.53 × 53,094.93
  4. Step 4: Simplify right side
    186,214.62x = 14,830,715,054.69
  5. Step 5: Solve for x
    x = 14,830,715,054.69/186,214.62
  6. Step 6: Final answer
    x = 79,643.13

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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.