Home / 314,039.26-470,988.15-89,394.73

Finding the Fourth Proportional to 314,039.26, 470,988.15 and 89,394.73

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Solution

The fourth proportional to 314,039.26, 470,988.15 and 89,394.73 is: 134,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,039.26 : 470,988.15 = 89,394.73 : x
  2. Step 2: Convert to fraction form
    314,039.26/470,988.15 = 89,394.73/x
  3. Step 3: Cross multiply
    314,039.26x = 470,988.15 × 89,394.73
  4. Step 4: Simplify right side
    314,039.26x = 42,103,858,502.45
  5. Step 5: Solve for x
    x = 42,103,858,502.45/314,039.26
  6. Step 6: Final answer
    x = 134,071.96

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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.