Home / 380,798.15-571,316.60-229,160.69

Finding the Fourth Proportional to 380,798.15, 571,316.60 and 229,160.69

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Solution

The fourth proportional to 380,798.15, 571,316.60 and 229,160.69 is: 343,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,798.15 : 571,316.60 = 229,160.69 : x
  2. Step 2: Convert to fraction form
    380,798.15/571,316.60 = 229,160.69/x
  3. Step 3: Cross multiply
    380,798.15x = 571,316.60 × 229,160.69
  4. Step 4: Simplify right side
    380,798.15x = 130,923,303,407.87
  5. Step 5: Solve for x
    x = 130,923,303,407.87/380,798.15
  6. Step 6: Final answer
    x = 343,812.87

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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.