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Finding the Fourth Proportional to 228,561.64, 342,932.72 and 70,802.40

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Solution

The fourth proportional to 228,561.64, 342,932.72 and 70,802.40 is: 106,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,561.64 : 342,932.72 = 70,802.40 : x
  2. Step 2: Convert to fraction form
    228,561.64/342,932.72 = 70,802.40/x
  3. Step 3: Cross multiply
    228,561.64x = 342,932.72 × 70,802.40
  4. Step 4: Simplify right side
    228,561.64x = 24,280,459,614.53
  5. Step 5: Solve for x
    x = 24,280,459,614.53/228,561.64
  6. Step 6: Final answer
    x = 106,231.56

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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.