Home / 307,240.74-458,247.33-301,923.90

Finding the Fourth Proportional to 307,240.74, 458,247.33 and 301,923.90

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Solution

The fourth proportional to 307,240.74, 458,247.33 and 301,923.90 is: 450,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,240.74 : 458,247.33 = 301,923.90 : x
  2. Step 2: Convert to fraction form
    307,240.74/458,247.33 = 301,923.90/x
  3. Step 3: Cross multiply
    307,240.74x = 458,247.33 × 301,923.90
  4. Step 4: Simplify right side
    307,240.74x = 138,355,821,038.19
  5. Step 5: Solve for x
    x = 138,355,821,038.19/307,240.74
  6. Step 6: Final answer
    x = 450,317.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.