Home / 202,916.43-304,416.17-69,779.40

Finding the Fourth Proportional to 202,916.43, 304,416.17 and 69,779.40

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Solution

The fourth proportional to 202,916.43, 304,416.17 and 69,779.40 is: 104,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,916.43 : 304,416.17 = 69,779.40 : x
  2. Step 2: Convert to fraction form
    202,916.43/304,416.17 = 69,779.40/x
  3. Step 3: Cross multiply
    202,916.43x = 304,416.17 × 69,779.40
  4. Step 4: Simplify right side
    202,916.43x = 21,241,977,692.90
  5. Step 5: Solve for x
    x = 21,241,977,692.90/202,916.43
  6. Step 6: Final answer
    x = 104,683.38

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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.