Home / 377,097.10-520,394.01-207,331.22

Finding the Fourth Proportional to 377,097.10, 520,394.01 and 207,331.22

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Solution

The fourth proportional to 377,097.10, 520,394.01 and 207,331.22 is: 286,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,097.10 : 520,394.01 = 207,331.22 : x
  2. Step 2: Convert to fraction form
    377,097.10/520,394.01 = 207,331.22/x
  3. Step 3: Cross multiply
    377,097.10x = 520,394.01 × 207,331.22
  4. Step 4: Simplify right side
    377,097.10x = 107,893,926,274.98
  5. Step 5: Solve for x
    x = 107,893,926,274.98/377,097.10
  6. Step 6: Final answer
    x = 286,117.10

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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.