Home / 258,500.50-356,730.69-145,324.06

Finding the Fourth Proportional to 258,500.50, 356,730.69 and 145,324.06

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Solution

The fourth proportional to 258,500.50, 356,730.69 and 145,324.06 is: 200,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,500.50 : 356,730.69 = 145,324.06 : x
  2. Step 2: Convert to fraction form
    258,500.50/356,730.69 = 145,324.06/x
  3. Step 3: Cross multiply
    258,500.50x = 356,730.69 × 145,324.06
  4. Step 4: Simplify right side
    258,500.50x = 51,841,552,197.40
  5. Step 5: Solve for x
    x = 51,841,552,197.40/258,500.50
  6. Step 6: Final answer
    x = 200,547.20

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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.