Home / 331,746.66-457,666.02-210,823.11

Finding the Fourth Proportional to 331,746.66, 457,666.02 and 210,823.11

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Solution

The fourth proportional to 331,746.66, 457,666.02 and 210,823.11 is: 290,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,746.66 : 457,666.02 = 210,823.11 : x
  2. Step 2: Convert to fraction form
    331,746.66/457,666.02 = 210,823.11/x
  3. Step 3: Cross multiply
    331,746.66x = 457,666.02 × 210,823.11
  4. Step 4: Simplify right side
    331,746.66x = 96,486,573,677.72
  5. Step 5: Solve for x
    x = 96,486,573,677.72/331,746.66
  6. Step 6: Final answer
    x = 290,844.14

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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.