Home / 258,765.02-357,092.07-145,587.50

Finding the Fourth Proportional to 258,765.02, 357,092.07 and 145,587.50

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Solution

The fourth proportional to 258,765.02, 357,092.07 and 145,587.50 is: 200,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,765.02 : 357,092.07 = 145,587.50 : x
  2. Step 2: Convert to fraction form
    258,765.02/357,092.07 = 145,587.50/x
  3. Step 3: Cross multiply
    258,765.02x = 357,092.07 × 145,587.50
  4. Step 4: Simplify right side
    258,765.02x = 51,988,141,741.13
  5. Step 5: Solve for x
    x = 51,988,141,741.13/258,765.02
  6. Step 6: Final answer
    x = 200,908.69

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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.