Home / 295,565.12-407,880.34-168,240.74

Finding the Fourth Proportional to 295,565.12, 407,880.34 and 168,240.74

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Solution

The fourth proportional to 295,565.12, 407,880.34 and 168,240.74 is: 232,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,565.12 : 407,880.34 = 168,240.74 : x
  2. Step 2: Convert to fraction form
    295,565.12/407,880.34 = 168,240.74/x
  3. Step 3: Cross multiply
    295,565.12x = 407,880.34 × 168,240.74
  4. Step 4: Simplify right side
    295,565.12x = 68,622,090,233.05
  5. Step 5: Solve for x
    x = 68,622,090,233.05/295,565.12
  6. Step 6: Final answer
    x = 232,172.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.