Home / 258,718.50-357,031.44-145,541.28

Finding the Fourth Proportional to 258,718.50, 357,031.44 and 145,541.28

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Solution

The fourth proportional to 258,718.50, 357,031.44 and 145,541.28 is: 200,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,718.50 : 357,031.44 = 145,541.28 : x
  2. Step 2: Convert to fraction form
    258,718.50/357,031.44 = 145,541.28/x
  3. Step 3: Cross multiply
    258,718.50x = 357,031.44 × 145,541.28
  4. Step 4: Simplify right side
    258,718.50x = 51,962,812,777.84
  5. Step 5: Solve for x
    x = 51,962,812,777.84/258,718.50
  6. Step 6: Final answer
    x = 200,846.92

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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.