Home / 258,853.96-357,148.70-151,450.38

Finding the Fourth Proportional to 258,853.96, 357,148.70 and 151,450.38

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Solution

The fourth proportional to 258,853.96, 357,148.70 and 151,450.38 is: 208,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,853.96 : 357,148.70 = 151,450.38 : x
  2. Step 2: Convert to fraction form
    258,853.96/357,148.70 = 151,450.38/x
  3. Step 3: Cross multiply
    258,853.96x = 357,148.70 × 151,450.38
  4. Step 4: Simplify right side
    258,853.96x = 54,090,306,331.51
  5. Step 5: Solve for x
    x = 54,090,306,331.51/258,853.96
  6. Step 6: Final answer
    x = 208,960.71

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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.