Home / 369,813.27-554,505.96-144,910.40

Finding the Fourth Proportional to 369,813.27, 554,505.96 and 144,910.40

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Solution

The fourth proportional to 369,813.27, 554,505.96 and 144,910.40 is: 217,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,813.27 : 554,505.96 = 144,910.40 : x
  2. Step 2: Convert to fraction form
    369,813.27/554,505.96 = 144,910.40/x
  3. Step 3: Cross multiply
    369,813.27x = 554,505.96 × 144,910.40
  4. Step 4: Simplify right side
    369,813.27x = 80,353,677,693.45
  5. Step 5: Solve for x
    x = 80,353,677,693.45/369,813.27
  6. Step 6: Final answer
    x = 217,281.76

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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.