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Finding the Fourth Proportional to 477,448.56, 716,219.60 and 173,925.20

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Solution

The fourth proportional to 477,448.56, 716,219.60 and 173,925.20 is: 260,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,448.56 : 716,219.60 = 173,925.20 : x
  2. Step 2: Convert to fraction form
    477,448.56/716,219.60 = 173,925.20/x
  3. Step 3: Cross multiply
    477,448.56x = 716,219.60 × 173,925.20
  4. Step 4: Simplify right side
    477,448.56x = 124,568,637,173.92
  5. Step 5: Solve for x
    x = 124,568,637,173.92/477,448.56
  6. Step 6: Final answer
    x = 260,904.83

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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.