Home / 328,263.12-492,394.77-103,646.27

Finding the Fourth Proportional to 328,263.12, 492,394.77 and 103,646.27

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Solution

The fourth proportional to 328,263.12, 492,394.77 and 103,646.27 is: 155,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,263.12 : 492,394.77 = 103,646.27 : x
  2. Step 2: Convert to fraction form
    328,263.12/492,394.77 = 103,646.27/x
  3. Step 3: Cross multiply
    328,263.12x = 492,394.77 × 103,646.27
  4. Step 4: Simplify right side
    328,263.12x = 51,034,878,816.03
  5. Step 5: Solve for x
    x = 51,034,878,816.03/328,263.12
  6. Step 6: Final answer
    x = 155,469.43

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1.5x scale

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.