Home / 380,654.96-525,066-244,865.76

Finding the Fourth Proportional to 380,654.96, 525,066 and 244,865.76

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Solution

The fourth proportional to 380,654.96, 525,066 and 244,865.76 is: 337,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,654.96 : 525,066 = 244,865.76 : x
  2. Step 2: Convert to fraction form
    380,654.96/525,066 = 244,865.76/x
  3. Step 3: Cross multiply
    380,654.96x = 525,066 × 244,865.76
  4. Step 4: Simplify right side
    380,654.96x = 128,570,685,140.16
  5. Step 5: Solve for x
    x = 128,570,685,140.16/380,654.96
  6. Step 6: Final answer
    x = 337,761.75

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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.