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Finding the Fourth Proportional to 458,045.99, 632,107.29 and 254,110.20

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Solution

The fourth proportional to 458,045.99, 632,107.29 and 254,110.20 is: 350,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,045.99 : 632,107.29 = 254,110.20 : x
  2. Step 2: Convert to fraction form
    458,045.99/632,107.29 = 254,110.20/x
  3. Step 3: Cross multiply
    458,045.99x = 632,107.29 × 254,110.20
  4. Step 4: Simplify right side
    458,045.99x = 160,624,909,883.36
  5. Step 5: Solve for x
    x = 160,624,909,883.36/458,045.99
  6. Step 6: Final answer
    x = 350,674.20

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1.5x scale

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.