Home / 286,825.65-430,237.99-136,610.34

Finding the Fourth Proportional to 286,825.65, 430,237.99 and 136,610.34

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Solution

The fourth proportional to 286,825.65, 430,237.99 and 136,610.34 is: 204,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,825.65 : 430,237.99 = 136,610.34 : x
  2. Step 2: Convert to fraction form
    286,825.65/430,237.99 = 136,610.34/x
  3. Step 3: Cross multiply
    286,825.65x = 430,237.99 × 136,610.34
  4. Step 4: Simplify right side
    286,825.65x = 58,774,958,094.82
  5. Step 5: Solve for x
    x = 58,774,958,094.82/286,825.65
  6. Step 6: Final answer
    x = 204,915.28

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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.