Home / 313,949.76-433,411.20-242,168.64

Finding the Fourth Proportional to 313,949.76, 433,411.20 and 242,168.64

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Solution

The fourth proportional to 313,949.76, 433,411.20 and 242,168.64 is: 334,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,949.76 : 433,411.20 = 242,168.64 : x
  2. Step 2: Convert to fraction form
    313,949.76/433,411.20 = 242,168.64/x
  3. Step 3: Cross multiply
    313,949.76x = 433,411.20 × 242,168.64
  4. Step 4: Simplify right side
    313,949.76x = 104,958,600,864.77
  5. Step 5: Solve for x
    x = 104,958,600,864.77/313,949.76
  6. Step 6: Final answer
    x = 334,316.55

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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.