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Finding the Fourth Proportional to 228,683.84, 342,960.93 and 144,317.61

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Solution

The fourth proportional to 228,683.84, 342,960.93 and 144,317.61 is: 216,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,683.84 : 342,960.93 = 144,317.61 : x
  2. Step 2: Convert to fraction form
    228,683.84/342,960.93 = 144,317.61/x
  3. Step 3: Cross multiply
    228,683.84x = 342,960.93 × 144,317.61
  4. Step 4: Simplify right side
    228,683.84x = 49,495,301,740.98
  5. Step 5: Solve for x
    x = 49,495,301,740.98/228,683.84
  6. Step 6: Final answer
    x = 216,435.51

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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.