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Finding the Fourth Proportional to 350,548.58, 525,978.39 and 260,502.50

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Solution

The fourth proportional to 350,548.58, 525,978.39 and 260,502.50 is: 390,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,548.58 : 525,978.39 = 260,502.50 : x
  2. Step 2: Convert to fraction form
    350,548.58/525,978.39 = 260,502.50/x
  3. Step 3: Cross multiply
    350,548.58x = 525,978.39 × 260,502.50
  4. Step 4: Simplify right side
    350,548.58x = 137,018,685,540.98
  5. Step 5: Solve for x
    x = 137,018,685,540.98/350,548.58
  6. Step 6: Final answer
    x = 390,869.32

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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.