Home / 258,008.15-356,041.48-143,294.18

Finding the Fourth Proportional to 258,008.15, 356,041.48 and 143,294.18

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Solution

The fourth proportional to 258,008.15, 356,041.48 and 143,294.18 is: 197,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,008.15 : 356,041.48 = 143,294.18 : x
  2. Step 2: Convert to fraction form
    258,008.15/356,041.48 = 143,294.18/x
  3. Step 3: Cross multiply
    258,008.15x = 356,041.48 × 143,294.18
  4. Step 4: Simplify right side
    258,008.15x = 51,018,669,425.91
  5. Step 5: Solve for x
    x = 51,018,669,425.91/258,008.15
  6. Step 6: Final answer
    x = 197,740.54

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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.