Home / 380,632.76-571,303.38-193,784.12

Finding the Fourth Proportional to 380,632.76, 571,303.38 and 193,784.12

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Solution

The fourth proportional to 380,632.76, 571,303.38 and 193,784.12 is: 290,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,632.76 : 571,303.38 = 193,784.12 : x
  2. Step 2: Convert to fraction form
    380,632.76/571,303.38 = 193,784.12/x
  3. Step 3: Cross multiply
    380,632.76x = 571,303.38 × 193,784.12
  4. Step 4: Simplify right side
    380,632.76x = 110,709,522,746.33
  5. Step 5: Solve for x
    x = 110,709,522,746.33/380,632.76
  6. Step 6: Final answer
    x = 290,856.53

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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.