Home / 286,631.76-430,008.82-97,085.50

Finding the Fourth Proportional to 286,631.76, 430,008.82 and 97,085.50

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Solution

The fourth proportional to 286,631.76, 430,008.82 and 97,085.50 is: 145,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,631.76 : 430,008.82 = 97,085.50 : x
  2. Step 2: Convert to fraction form
    286,631.76/430,008.82 = 97,085.50/x
  3. Step 3: Cross multiply
    286,631.76x = 430,008.82 × 97,085.50
  4. Step 4: Simplify right side
    286,631.76x = 41,747,621,294.11
  5. Step 5: Solve for x
    x = 41,747,621,294.11/286,631.76
  6. Step 6: Final answer
    x = 145,648.97

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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.