Home / 258,622.32-356,895.36-145,445.06

Finding the Fourth Proportional to 258,622.32, 356,895.36 and 145,445.06

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Solution

The fourth proportional to 258,622.32, 356,895.36 and 145,445.06 is: 200,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,622.32 : 356,895.36 = 145,445.06 : x
  2. Step 2: Convert to fraction form
    258,622.32/356,895.36 = 145,445.06/x
  3. Step 3: Cross multiply
    258,622.32x = 356,895.36 × 145,445.06
  4. Step 4: Simplify right side
    258,622.32x = 51,908,667,048.92
  5. Step 5: Solve for x
    x = 51,908,667,048.92/258,622.32
  6. Step 6: Final answer
    x = 200,712.25

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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.