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Finding the Fourth Proportional to 265,119.89, 365,744.58 and 157,628.84

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Solution

The fourth proportional to 265,119.89, 365,744.58 and 157,628.84 is: 217,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,119.89 : 365,744.58 = 157,628.84 : x
  2. Step 2: Convert to fraction form
    265,119.89/365,744.58 = 157,628.84/x
  3. Step 3: Cross multiply
    265,119.89x = 365,744.58 × 157,628.84
  4. Step 4: Simplify right side
    265,119.89x = 57,651,893,881.69
  5. Step 5: Solve for x
    x = 57,651,893,881.69/265,119.89
  6. Step 6: Final answer
    x = 217,455.94

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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.