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Finding the Fourth Proportional to 220,223.70, 303,957.09 and 144,779.22

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Solution

The fourth proportional to 220,223.70, 303,957.09 and 144,779.22 is: 199,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223.70 : 303,957.09 = 144,779.22 : x
  2. Step 2: Convert to fraction form
    220,223.70/303,957.09 = 144,779.22/x
  3. Step 3: Cross multiply
    220,223.70x = 303,957.09 × 144,779.22
  4. Step 4: Simplify right side
    220,223.70x = 44,006,670,403.67
  5. Step 5: Solve for x
    x = 44,006,670,403.67/220,223.70
  6. Step 6: Final answer
    x = 199,827.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.