Home / 380,250.56-524,749.92-210,487.52

Finding the Fourth Proportional to 380,250.56, 524,749.92 and 210,487.52

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Solution

The fourth proportional to 380,250.56, 524,749.92 and 210,487.52 is: 290,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,250.56 : 524,749.92 = 210,487.52 : x
  2. Step 2: Convert to fraction form
    380,250.56/524,749.92 = 210,487.52/x
  3. Step 3: Cross multiply
    380,250.56x = 524,749.92 × 210,487.52
  4. Step 4: Simplify right side
    380,250.56x = 110,453,309,281.00
  5. Step 5: Solve for x
    x = 110,453,309,281.00/380,250.56
  6. Step 6: Final answer
    x = 290,475.07

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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.