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Finding the Fourth Proportional to 301,532.90, 454,466.72 and 259,915.28

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Solution

The fourth proportional to 301,532.90, 454,466.72 and 259,915.28 is: 391,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,532.90 : 454,466.72 = 259,915.28 : x
  2. Step 2: Convert to fraction form
    301,532.90/454,466.72 = 259,915.28/x
  3. Step 3: Cross multiply
    301,532.90x = 454,466.72 × 259,915.28
  4. Step 4: Simplify right side
    301,532.90x = 118,122,844,779.48
  5. Step 5: Solve for x
    x = 118,122,844,779.48/301,532.90
  6. Step 6: Final answer
    x = 391,741.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.