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Finding the Fourth Proportional to 387,277.48, 581,143.50 and 162,620.56

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Solution

The fourth proportional to 387,277.48, 581,143.50 and 162,620.56 is: 244,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,277.48 : 581,143.50 = 162,620.56 : x
  2. Step 2: Convert to fraction form
    387,277.48/581,143.50 = 162,620.56/x
  3. Step 3: Cross multiply
    387,277.48x = 581,143.50 × 162,620.56
  4. Step 4: Simplify right side
    387,277.48x = 94,505,881,410.36
  5. Step 5: Solve for x
    x = 94,505,881,410.36/387,277.48
  6. Step 6: Final answer
    x = 244,026.28

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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.