Home / 199,721.60-299,582.40-184,515.20

Finding the Fourth Proportional to 199,721.60, 299,582.40 and 184,515.20

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Solution

The fourth proportional to 199,721.60, 299,582.40 and 184,515.20 is: 276,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,721.60 : 299,582.40 = 184,515.20 : x
  2. Step 2: Convert to fraction form
    199,721.60/299,582.40 = 184,515.20/x
  3. Step 3: Cross multiply
    199,721.60x = 299,582.40 × 184,515.20
  4. Step 4: Simplify right side
    199,721.60x = 55,277,506,452.48
  5. Step 5: Solve for x
    x = 55,277,506,452.48/199,721.60
  6. Step 6: Final answer
    x = 276,772.80

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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.