Home / 221,350.02-305,588.88-146,117.22

Finding the Fourth Proportional to 221,350.02, 305,588.88 and 146,117.22

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Solution

The fourth proportional to 221,350.02, 305,588.88 and 146,117.22 is: 201,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,350.02 : 305,588.88 = 146,117.22 : x
  2. Step 2: Convert to fraction form
    221,350.02/305,588.88 = 146,117.22/x
  3. Step 3: Cross multiply
    221,350.02x = 305,588.88 × 146,117.22
  4. Step 4: Simplify right side
    221,350.02x = 44,651,797,608.51
  5. Step 5: Solve for x
    x = 44,651,797,608.51/221,350.02
  6. Step 6: Final answer
    x = 201,724.84

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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.