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Finding the Fourth Proportional to 228,350.76, 342,400.38 and 70,535.40

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Solution

The fourth proportional to 228,350.76, 342,400.38 and 70,535.40 is: 105,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,350.76 : 342,400.38 = 70,535.40 : x
  2. Step 2: Convert to fraction form
    228,350.76/342,400.38 = 70,535.40/x
  3. Step 3: Cross multiply
    228,350.76x = 342,400.38 × 70,535.40
  4. Step 4: Simplify right side
    228,350.76x = 24,151,347,763.45
  5. Step 5: Solve for x
    x = 24,151,347,763.45/228,350.76
  6. Step 6: Final answer
    x = 105,764.25

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1.5x scale

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.