Home / 382,498.20-572,435.10-351,005.40

Finding the Fourth Proportional to 382,498.20, 572,435.10 and 351,005.40

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Solution

The fourth proportional to 382,498.20, 572,435.10 and 351,005.40 is: 525,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,498.20 : 572,435.10 = 351,005.40 : x
  2. Step 2: Convert to fraction form
    382,498.20/572,435.10 = 351,005.40/x
  3. Step 3: Cross multiply
    382,498.20x = 572,435.10 × 351,005.40
  4. Step 4: Simplify right side
    382,498.20x = 200,927,811,249.54
  5. Step 5: Solve for x
    x = 200,927,811,249.54/382,498.20
  6. Step 6: Final answer
    x = 525,303.94

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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.