Home / 403,358.25-605,037.42-122,875.50

Finding the Fourth Proportional to 403,358.25, 605,037.42 and 122,875.50

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Solution

The fourth proportional to 403,358.25, 605,037.42 and 122,875.50 is: 184,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,358.25 : 605,037.42 = 122,875.50 : x
  2. Step 2: Convert to fraction form
    403,358.25/605,037.42 = 122,875.50/x
  3. Step 3: Cross multiply
    403,358.25x = 605,037.42 × 122,875.50
  4. Step 4: Simplify right side
    403,358.25x = 74,344,275,501.21
  5. Step 5: Solve for x
    x = 74,344,275,501.21/403,358.25
  6. Step 6: Final answer
    x = 184,313.26

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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.