Home / 201,681.10-302,521.65-199,056.70

Finding the Fourth Proportional to 201,681.10, 302,521.65 and 199,056.70

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Solution

The fourth proportional to 201,681.10, 302,521.65 and 199,056.70 is: 298,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,681.10 : 302,521.65 = 199,056.70 : x
  2. Step 2: Convert to fraction form
    201,681.10/302,521.65 = 199,056.70/x
  3. Step 3: Cross multiply
    201,681.10x = 302,521.65 × 199,056.70
  4. Step 4: Simplify right side
    201,681.10x = 60,218,961,327.56
  5. Step 5: Solve for x
    x = 60,218,961,327.56/201,681.10
  6. Step 6: Final answer
    x = 298,585.05

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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.