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Finding the Fourth Proportional to 458,329.25, 632,484.86 and 254,368.22

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Solution

The fourth proportional to 458,329.25, 632,484.86 and 254,368.22 is: 351,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,329.25 : 632,484.86 = 254,368.22 : x
  2. Step 2: Convert to fraction form
    458,329.25/632,484.86 = 254,368.22/x
  3. Step 3: Cross multiply
    458,329.25x = 632,484.86 × 254,368.22
  4. Step 4: Simplify right side
    458,329.25x = 160,884,043,580.88
  5. Step 5: Solve for x
    x = 160,884,043,580.88/458,329.25
  6. Step 6: Final answer
    x = 351,022.86

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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.