Home / 377,822.01-521,386.90-205,742.09

Finding the Fourth Proportional to 377,822.01, 521,386.90 and 205,742.09

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Solution

The fourth proportional to 377,822.01, 521,386.90 and 205,742.09 is: 283,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,822.01 : 521,386.90 = 205,742.09 : x
  2. Step 2: Convert to fraction form
    377,822.01/521,386.90 = 205,742.09/x
  3. Step 3: Cross multiply
    377,822.01x = 521,386.90 × 205,742.09
  4. Step 4: Simplify right side
    377,822.01x = 107,271,231,293.73
  5. Step 5: Solve for x
    x = 107,271,231,293.73/377,822.01
  6. Step 6: Final answer
    x = 283,920.01

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1.5x scale

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.