Home / 201,985.10-302,977.65-162,619.10

Finding the Fourth Proportional to 201,985.10, 302,977.65 and 162,619.10

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Solution

The fourth proportional to 201,985.10, 302,977.65 and 162,619.10 is: 243,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,985.10 : 302,977.65 = 162,619.10 : x
  2. Step 2: Convert to fraction form
    201,985.10/302,977.65 = 162,619.10/x
  3. Step 3: Cross multiply
    201,985.10x = 302,977.65 × 162,619.10
  4. Step 4: Simplify right side
    201,985.10x = 49,269,952,763.12
  5. Step 5: Solve for x
    x = 49,269,952,763.12/201,985.10
  6. Step 6: Final answer
    x = 243,928.65

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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.