Home / 389,916.60-584,874.90-168,300.60

Finding the Fourth Proportional to 389,916.60, 584,874.90 and 168,300.60

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Solution

The fourth proportional to 389,916.60, 584,874.90 and 168,300.60 is: 252,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,916.60 : 584,874.90 = 168,300.60 : x
  2. Step 2: Convert to fraction form
    389,916.60/584,874.90 = 168,300.60/x
  3. Step 3: Cross multiply
    389,916.60x = 584,874.90 × 168,300.60
  4. Step 4: Simplify right side
    389,916.60x = 98,434,796,594.94
  5. Step 5: Solve for x
    x = 98,434,796,594.94/389,916.60
  6. Step 6: Final answer
    x = 252,450.90

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1.5x scale

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.