Home / 303,331.64-455,094.59-145,571.18

Finding the Fourth Proportional to 303,331.64, 455,094.59 and 145,571.18

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Solution

The fourth proportional to 303,331.64, 455,094.59 and 145,571.18 is: 218,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,331.64 : 455,094.59 = 145,571.18 : x
  2. Step 2: Convert to fraction form
    303,331.64/455,094.59 = 145,571.18/x
  3. Step 3: Cross multiply
    303,331.64x = 455,094.59 × 145,571.18
  4. Step 4: Simplify right side
    303,331.64x = 66,248,653,474.59
  5. Step 5: Solve for x
    x = 66,248,653,474.59/303,331.64
  6. Step 6: Final answer
    x = 218,403.38

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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.