Home / 258,915.09-357,302.88-151,505.75

Finding the Fourth Proportional to 258,915.09, 357,302.88 and 151,505.75

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Solution

The fourth proportional to 258,915.09, 357,302.88 and 151,505.75 is: 209,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,915.09 : 357,302.88 = 151,505.75 : x
  2. Step 2: Convert to fraction form
    258,915.09/357,302.88 = 151,505.75/x
  3. Step 3: Cross multiply
    258,915.09x = 357,302.88 × 151,505.75
  4. Step 4: Simplify right side
    258,915.09x = 54,133,441,704.82
  5. Step 5: Solve for x
    x = 54,133,441,704.82/258,915.09
  6. Step 6: Final answer
    x = 209,077.97

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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.