Home / 272,643.20-409,402.20-184,288.40

Finding the Fourth Proportional to 272,643.20, 409,402.20 and 184,288.40

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Solution

The fourth proportional to 272,643.20, 409,402.20 and 184,288.40 is: 276,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,643.20 : 409,402.20 = 184,288.40 : x
  2. Step 2: Convert to fraction form
    272,643.20/409,402.20 = 184,288.40/x
  3. Step 3: Cross multiply
    272,643.20x = 409,402.20 × 184,288.40
  4. Step 4: Simplify right side
    272,643.20x = 75,448,076,394.48
  5. Step 5: Solve for x
    x = 75,448,076,394.48/272,643.20
  6. Step 6: Final answer
    x = 276,728.25

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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.