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Finding the Fourth Proportional to 484,492.83, 668,593.59 and 269,632.84

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Solution

The fourth proportional to 484,492.83, 668,593.59 and 269,632.84 is: 372,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,492.83 : 668,593.59 = 269,632.84 : x
  2. Step 2: Convert to fraction form
    484,492.83/668,593.59 = 269,632.84/x
  3. Step 3: Cross multiply
    484,492.83x = 668,593.59 × 269,632.84
  4. Step 4: Simplify right side
    484,492.83x = 180,274,785,134.53
  5. Step 5: Solve for x
    x = 180,274,785,134.53/484,492.83
  6. Step 6: Final answer
    x = 372,089.69

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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.