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Finding the Fourth Proportional to 335,628.16, 463,168 and 192,396.80

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Solution

The fourth proportional to 335,628.16, 463,168 and 192,396.80 is: 265,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,628.16 : 463,168 = 192,396.80 : x
  2. Step 2: Convert to fraction form
    335,628.16/463,168 = 192,396.80/x
  3. Step 3: Cross multiply
    335,628.16x = 463,168 × 192,396.80
  4. Step 4: Simplify right side
    335,628.16x = 89,112,041,062.40
  5. Step 5: Solve for x
    x = 89,112,041,062.40/335,628.16
  6. Step 6: Final answer
    x = 265,508.24

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1.5x scale

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.