Home / 272,816.20-409,224.30-123,225.40

Finding the Fourth Proportional to 272,816.20, 409,224.30 and 123,225.40

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Solution

The fourth proportional to 272,816.20, 409,224.30 and 123,225.40 is: 184,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,816.20 : 409,224.30 = 123,225.40 : x
  2. Step 2: Convert to fraction form
    272,816.20/409,224.30 = 123,225.40/x
  3. Step 3: Cross multiply
    272,816.20x = 409,224.30 × 123,225.40
  4. Step 4: Simplify right side
    272,816.20x = 50,426,828,057.22
  5. Step 5: Solve for x
    x = 50,426,828,057.22/272,816.20
  6. Step 6: Final answer
    x = 184,838.10

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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.