Home / 250,848.47-346,171.12-143,420.74

Finding the Fourth Proportional to 250,848.47, 346,171.12 and 143,420.74

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Solution

The fourth proportional to 250,848.47, 346,171.12 and 143,420.74 is: 197,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,848.47 : 346,171.12 = 143,420.74 : x
  2. Step 2: Convert to fraction form
    250,848.47/346,171.12 = 143,420.74/x
  3. Step 3: Cross multiply
    250,848.47x = 346,171.12 × 143,420.74
  4. Step 4: Simplify right side
    250,848.47x = 49,648,116,973.05
  5. Step 5: Solve for x
    x = 49,648,116,973.05/250,848.47
  6. Step 6: Final answer
    x = 197,920.75

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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.