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Finding the Fourth Proportional to 251,462.48, 347,007.65 and 142,574.14

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Solution

The fourth proportional to 251,462.48, 347,007.65 and 142,574.14 is: 196,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,462.48 : 347,007.65 = 142,574.14 : x
  2. Step 2: Convert to fraction form
    251,462.48/347,007.65 = 142,574.14/x
  3. Step 3: Cross multiply
    251,462.48x = 347,007.65 × 142,574.14
  4. Step 4: Simplify right side
    251,462.48x = 49,474,317,272.17
  5. Step 5: Solve for x
    x = 49,474,317,272.17/251,462.48
  6. Step 6: Final answer
    x = 196,746.32

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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.