Home / 320,898.12-442,822.52-175,676.10

Finding the Fourth Proportional to 320,898.12, 442,822.52 and 175,676.10

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Solution

The fourth proportional to 320,898.12, 442,822.52 and 175,676.10 is: 242,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,898.12 : 442,822.52 = 175,676.10 : x
  2. Step 2: Convert to fraction form
    320,898.12/442,822.52 = 175,676.10/x
  3. Step 3: Cross multiply
    320,898.12x = 442,822.52 × 175,676.10
  4. Step 4: Simplify right side
    320,898.12x = 77,793,333,305.77
  5. Step 5: Solve for x
    x = 77,793,333,305.77/320,898.12
  6. Step 6: Final answer
    x = 242,423.77

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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.