Home / 253,726.60-379,812.30-148,232.20

Finding the Fourth Proportional to 253,726.60, 379,812.30 and 148,232.20

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Solution

The fourth proportional to 253,726.60, 379,812.30 and 148,232.20 is: 221,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,726.60 : 379,812.30 = 148,232.20 : x
  2. Step 2: Convert to fraction form
    253,726.60/379,812.30 = 148,232.20/x
  3. Step 3: Cross multiply
    253,726.60x = 379,812.30 × 148,232.20
  4. Step 4: Simplify right side
    253,726.60x = 56,300,412,816.06
  5. Step 5: Solve for x
    x = 56,300,412,816.06/253,726.60
  6. Step 6: Final answer
    x = 221,894.01

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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.