Home / 258,506.02-356,771.55-145,350.64

Finding the Fourth Proportional to 258,506.02, 356,771.55 and 145,350.64

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Solution

The fourth proportional to 258,506.02, 356,771.55 and 145,350.64 is: 200,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,506.02 : 356,771.55 = 145,350.64 : x
  2. Step 2: Convert to fraction form
    258,506.02/356,771.55 = 145,350.64/x
  3. Step 3: Cross multiply
    258,506.02x = 356,771.55 × 145,350.64
  4. Step 4: Simplify right side
    258,506.02x = 51,856,973,126.29
  5. Step 5: Solve for x
    x = 51,856,973,126.29/258,506.02
  6. Step 6: Final answer
    x = 200,602.57

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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.