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Finding the Fourth Proportional to 228,390.38, 342,585.60 and 70,615.34

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Solution

The fourth proportional to 228,390.38, 342,585.60 and 70,615.34 is: 105,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,390.38 : 342,585.60 = 70,615.34 : x
  2. Step 2: Convert to fraction form
    228,390.38/342,585.60 = 70,615.34/x
  3. Step 3: Cross multiply
    228,390.38x = 342,585.60 × 70,615.34
  4. Step 4: Simplify right side
    228,390.38x = 24,191,798,623.10
  5. Step 5: Solve for x
    x = 24,191,798,623.10/228,390.38
  6. Step 6: Final answer
    x = 105,923.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.