Home / 258,961.96-357,420.90-151,588.36

Finding the Fourth Proportional to 258,961.96, 357,420.90 and 151,588.36

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Solution

The fourth proportional to 258,961.96, 357,420.90 and 151,588.36 is: 209,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,961.96 : 357,420.90 = 151,588.36 : x
  2. Step 2: Convert to fraction form
    258,961.96/357,420.90 = 151,588.36/x
  3. Step 3: Cross multiply
    258,961.96x = 357,420.90 × 151,588.36
  4. Step 4: Simplify right side
    258,961.96x = 54,180,848,060.72
  5. Step 5: Solve for x
    x = 54,180,848,060.72/258,961.96
  6. Step 6: Final answer
    x = 209,223.19

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1.5x scale

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.