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Finding the Fourth Proportional to 228,154.64, 342,205.81 and 59,691.23

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Solution

The fourth proportional to 228,154.64, 342,205.81 and 59,691.23 is: 89,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,154.64 : 342,205.81 = 59,691.23 : x
  2. Step 2: Convert to fraction form
    228,154.64/342,205.81 = 59,691.23/x
  3. Step 3: Cross multiply
    228,154.64x = 342,205.81 × 59,691.23
  4. Step 4: Simplify right side
    228,154.64x = 20,426,683,702.56
  5. Step 5: Solve for x
    x = 20,426,683,702.56/228,154.64
  6. Step 6: Final answer
    x = 89,529.99

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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.