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Finding the Fourth Proportional to 351,304.38, 484,800.14 and 190,158.93

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Solution

The fourth proportional to 351,304.38, 484,800.14 and 190,158.93 is: 262,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,304.38 : 484,800.14 = 190,158.93 : x
  2. Step 2: Convert to fraction form
    351,304.38/484,800.14 = 190,158.93/x
  3. Step 3: Cross multiply
    351,304.38x = 484,800.14 × 190,158.93
  4. Step 4: Simplify right side
    351,304.38x = 92,189,074,935.46
  5. Step 5: Solve for x
    x = 92,189,074,935.46/351,304.38
  6. Step 6: Final answer
    x = 262,419.37

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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.