Home / 328,424.07-492,633.13-103,784.54

Finding the Fourth Proportional to 328,424.07, 492,633.13 and 103,784.54

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Solution

The fourth proportional to 328,424.07, 492,633.13 and 103,784.54 is: 155,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,424.07 : 492,633.13 = 103,784.54 : x
  2. Step 2: Convert to fraction form
    328,424.07/492,633.13 = 103,784.54/x
  3. Step 3: Cross multiply
    328,424.07x = 492,633.13 × 103,784.54
  4. Step 4: Simplify right side
    328,424.07x = 51,127,701,294.77
  5. Step 5: Solve for x
    x = 51,127,701,294.77/328,424.07
  6. Step 6: Final answer
    x = 155,675.87

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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.