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Finding the Fourth Proportional to 228,355.26, 342,407.13 and 70,539.90

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Solution

The fourth proportional to 228,355.26, 342,407.13 and 70,539.90 is: 105,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,355.26 : 342,407.13 = 70,539.90 : x
  2. Step 2: Convert to fraction form
    228,355.26/342,407.13 = 70,539.90/x
  3. Step 3: Cross multiply
    228,355.26x = 342,407.13 × 70,539.90
  4. Step 4: Simplify right side
    228,355.26x = 24,153,364,709.49
  5. Step 5: Solve for x
    x = 24,153,364,709.49/228,355.26
  6. Step 6: Final answer
    x = 105,771.00

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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.