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Finding the Fourth Proportional to 260,030, 390,045 and 63,038

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Solution

The fourth proportional to 260,030, 390,045 and 63,038 is: 94,557

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,030 : 390,045 = 63,038 : x
  2. Step 2: Convert to fraction form
    260,030/390,045 = 63,038/x
  3. Step 3: Cross multiply
    260,030x = 390,045 × 63,038
  4. Step 4: Simplify right side
    260,030x = 24,587,656,710
  5. Step 5: Solve for x
    x = 24,587,656,710/260,030
  6. Step 6: Final answer
    x = 94,557

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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.