Home / 278,924.04-384,915.24-151,599.60

Finding the Fourth Proportional to 278,924.04, 384,915.24 and 151,599.60

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Solution

The fourth proportional to 278,924.04, 384,915.24 and 151,599.60 is: 209,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,924.04 : 384,915.24 = 151,599.60 : x
  2. Step 2: Convert to fraction form
    278,924.04/384,915.24 = 151,599.60/x
  3. Step 3: Cross multiply
    278,924.04x = 384,915.24 × 151,599.60
  4. Step 4: Simplify right side
    278,924.04x = 58,352,996,417.90
  5. Step 5: Solve for x
    x = 58,352,996,417.90/278,924.04
  6. Step 6: Final answer
    x = 209,207.48

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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.