Home / 369,773.07-554,285.91-145,045.49

Finding the Fourth Proportional to 369,773.07, 554,285.91 and 145,045.49

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Solution

The fourth proportional to 369,773.07, 554,285.91 and 145,045.49 is: 217,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,773.07 : 554,285.91 = 145,045.49 : x
  2. Step 2: Convert to fraction form
    369,773.07/554,285.91 = 145,045.49/x
  3. Step 3: Cross multiply
    369,773.07x = 554,285.91 × 145,045.49
  4. Step 4: Simplify right side
    369,773.07x = 80,396,668,644.62
  5. Step 5: Solve for x
    x = 80,396,668,644.62/369,773.07
  6. Step 6: Final answer
    x = 217,421.64

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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.