Home / 247,121.40-370,682.10-122,705.40

Finding the Fourth Proportional to 247,121.40, 370,682.10 and 122,705.40

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Solution

The fourth proportional to 247,121.40, 370,682.10 and 122,705.40 is: 184,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,121.40 : 370,682.10 = 122,705.40 : x
  2. Step 2: Convert to fraction form
    247,121.40/370,682.10 = 122,705.40/x
  3. Step 3: Cross multiply
    247,121.40x = 370,682.10 × 122,705.40
  4. Step 4: Simplify right side
    247,121.40x = 45,484,695,353.34
  5. Step 5: Solve for x
    x = 45,484,695,353.34/247,121.40
  6. Step 6: Final answer
    x = 184,058.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.