Home / 472,022.84-651,388.94-257,162.36

Finding the Fourth Proportional to 472,022.84, 651,388.94 and 257,162.36

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Solution

The fourth proportional to 472,022.84, 651,388.94 and 257,162.36 is: 354,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,022.84 : 651,388.94 = 257,162.36 : x
  2. Step 2: Convert to fraction form
    472,022.84/651,388.94 = 257,162.36/x
  3. Step 3: Cross multiply
    472,022.84x = 651,388.94 × 257,162.36
  4. Step 4: Simplify right side
    472,022.84x = 167,512,717,088.30
  5. Step 5: Solve for x
    x = 167,512,717,088.30/472,022.84
  6. Step 6: Final answer
    x = 354,882.65

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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.