Home / 433,088.08-649,632.12-211,282

Finding the Fourth Proportional to 433,088.08, 649,632.12 and 211,282

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Solution

The fourth proportional to 433,088.08, 649,632.12 and 211,282 is: 316,923

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,088.08 : 649,632.12 = 211,282 : x
  2. Step 2: Convert to fraction form
    433,088.08/649,632.12 = 211,282/x
  3. Step 3: Cross multiply
    433,088.08x = 649,632.12 × 211,282
  4. Step 4: Simplify right side
    433,088.08x = 137,255,573,577.84
  5. Step 5: Solve for x
    x = 137,255,573,577.84/433,088.08
  6. Step 6: Final answer
    x = 316,923

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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.