Home / 328,727.19-493,157.78-148,726.16

Finding the Fourth Proportional to 328,727.19, 493,157.78 and 148,726.16

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Solution

The fourth proportional to 328,727.19, 493,157.78 and 148,726.16 is: 223,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,727.19 : 493,157.78 = 148,726.16 : x
  2. Step 2: Convert to fraction form
    328,727.19/493,157.78 = 148,726.16/x
  3. Step 3: Cross multiply
    328,727.19x = 493,157.78 × 148,726.16
  4. Step 4: Simplify right side
    328,727.19x = 73,345,462,893.52
  5. Step 5: Solve for x
    x = 73,345,462,893.52/328,727.19
  6. Step 6: Final answer
    x = 223,119.55

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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.