Home / 145,565.44-218,348.26-40,384.51

Finding the Fourth Proportional to 145,565.44, 218,348.26 and 40,384.51

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Solution

The fourth proportional to 145,565.44, 218,348.26 and 40,384.51 is: 60,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,565.44 : 218,348.26 = 40,384.51 : x
  2. Step 2: Convert to fraction form
    145,565.44/218,348.26 = 40,384.51/x
  3. Step 3: Cross multiply
    145,565.44x = 218,348.26 × 40,384.51
  4. Step 4: Simplify right side
    145,565.44x = 8,817,886,842.62
  5. Step 5: Solve for x
    x = 8,817,886,842.62/145,565.44
  6. Step 6: Final answer
    x = 60,576.79

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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.