Home / 247,032.28-340,905.74-133,855

Finding the Fourth Proportional to 247,032.28, 340,905.74 and 133,855

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Solution

The fourth proportional to 247,032.28, 340,905.74 and 133,855 is: 184,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,032.28 : 340,905.74 = 133,855 : x
  2. Step 2: Convert to fraction form
    247,032.28/340,905.74 = 133,855/x
  3. Step 3: Cross multiply
    247,032.28x = 340,905.74 × 133,855
  4. Step 4: Simplify right side
    247,032.28x = 45,631,937,827.70
  5. Step 5: Solve for x
    x = 45,631,937,827.70/247,032.28
  6. Step 6: Final answer
    x = 184,720.55

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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.