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Finding the Fourth Proportional to 228,352.76, 342,403.38 and 70,537.40

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Solution

The fourth proportional to 228,352.76, 342,403.38 and 70,537.40 is: 105,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,352.76 : 342,403.38 = 70,537.40 : x
  2. Step 2: Convert to fraction form
    228,352.76/342,403.38 = 70,537.40/x
  3. Step 3: Cross multiply
    228,352.76x = 342,403.38 × 70,537.40
  4. Step 4: Simplify right side
    228,352.76x = 24,152,244,176.41
  5. Step 5: Solve for x
    x = 24,152,244,176.41/228,352.76
  6. Step 6: Final answer
    x = 105,767.25

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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.