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Finding the Fourth Proportional to 539,032.80, 808,549.20 and 184,015.20

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Solution

The fourth proportional to 539,032.80, 808,549.20 and 184,015.20 is: 276,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,032.80 : 808,549.20 = 184,015.20 : x
  2. Step 2: Convert to fraction form
    539,032.80/808,549.20 = 184,015.20/x
  3. Step 3: Cross multiply
    539,032.80x = 808,549.20 × 184,015.20
  4. Step 4: Simplify right side
    539,032.80x = 148,785,342,747.84
  5. Step 5: Solve for x
    x = 148,785,342,747.84/539,032.80
  6. Step 6: Final answer
    x = 276,022.80

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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.