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Finding the Fourth Proportional to 260,551.22, 390,397.53 and 238,762.22

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Solution

The fourth proportional to 260,551.22, 390,397.53 and 238,762.22 is: 357,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,551.22 : 390,397.53 = 238,762.22 : x
  2. Step 2: Convert to fraction form
    260,551.22/390,397.53 = 238,762.22/x
  3. Step 3: Cross multiply
    260,551.22x = 390,397.53 × 238,762.22
  4. Step 4: Simplify right side
    260,551.22x = 93,212,180,945.32
  5. Step 5: Solve for x
    x = 93,212,180,945.32/260,551.22
  6. Step 6: Final answer
    x = 357,749.93

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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.