Home / 545,120.42-817,616.23-145,792.15

Finding the Fourth Proportional to 545,120.42, 817,616.23 and 145,792.15

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Solution

The fourth proportional to 545,120.42, 817,616.23 and 145,792.15 is: 218,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,120.42 : 817,616.23 = 145,792.15 : x
  2. Step 2: Convert to fraction form
    545,120.42/817,616.23 = 145,792.15/x
  3. Step 3: Cross multiply
    545,120.42x = 817,616.23 × 145,792.15
  4. Step 4: Simplify right side
    545,120.42x = 119,202,028,046.60
  5. Step 5: Solve for x
    x = 119,202,028,046.60/545,120.42
  6. Step 6: Final answer
    x = 218,671.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.