Home / 259,749.70-389,624.55-249,252.10

Finding the Fourth Proportional to 259,749.70, 389,624.55 and 249,252.10

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Solution

The fourth proportional to 259,749.70, 389,624.55 and 249,252.10 is: 373,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,749.70 : 389,624.55 = 249,252.10 : x
  2. Step 2: Convert to fraction form
    259,749.70/389,624.55 = 249,252.10/x
  3. Step 3: Cross multiply
    259,749.70x = 389,624.55 × 249,252.10
  4. Step 4: Simplify right side
    259,749.70x = 97,114,737,299.06
  5. Step 5: Solve for x
    x = 97,114,737,299.06/259,749.70
  6. Step 6: Final answer
    x = 373,878.15

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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.