Home / 318,904.83-440,088.66-175,667.94

Finding the Fourth Proportional to 318,904.83, 440,088.66 and 175,667.94

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Solution

The fourth proportional to 318,904.83, 440,088.66 and 175,667.94 is: 242,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,904.83 : 440,088.66 = 175,667.94 : x
  2. Step 2: Convert to fraction form
    318,904.83/440,088.66 = 175,667.94/x
  3. Step 3: Cross multiply
    318,904.83x = 440,088.66 × 175,667.94
  4. Step 4: Simplify right side
    318,904.83x = 77,309,468,319.56
  5. Step 5: Solve for x
    x = 77,309,468,319.56/318,904.83
  6. Step 6: Final answer
    x = 242,421.75

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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.