Home / 278,922.58-384,916.17-151,598.20

Finding the Fourth Proportional to 278,922.58, 384,916.17 and 151,598.20

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Solution

The fourth proportional to 278,922.58, 384,916.17 and 151,598.20 is: 209,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,922.58 : 384,916.17 = 151,598.20 : x
  2. Step 2: Convert to fraction form
    278,922.58/384,916.17 = 151,598.20/x
  3. Step 3: Cross multiply
    278,922.58x = 384,916.17 × 151,598.20
  4. Step 4: Simplify right side
    278,922.58x = 58,352,598,522.89
  5. Step 5: Solve for x
    x = 58,352,598,522.89/278,922.58
  6. Step 6: Final answer
    x = 209,207.15

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1.5x scale

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.