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Finding the Fourth Proportional to 328,051.60, 452,979.48 and 207,387.52

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Solution

The fourth proportional to 328,051.60, 452,979.48 and 207,387.52 is: 286,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,051.60 : 452,979.48 = 207,387.52 : x
  2. Step 2: Convert to fraction form
    328,051.60/452,979.48 = 207,387.52/x
  3. Step 3: Cross multiply
    328,051.60x = 452,979.48 × 207,387.52
  4. Step 4: Simplify right side
    328,051.60x = 93,942,290,968.09
  5. Step 5: Solve for x
    x = 93,942,290,968.09/328,051.60
  6. Step 6: Final answer
    x = 286,364.37

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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.