Home / 278,347.52-384,122.04-151,025.64

Finding the Fourth Proportional to 278,347.52, 384,122.04 and 151,025.64

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Solution

The fourth proportional to 278,347.52, 384,122.04 and 151,025.64 is: 208,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,347.52 : 384,122.04 = 151,025.64 : x
  2. Step 2: Convert to fraction form
    278,347.52/384,122.04 = 151,025.64/x
  3. Step 3: Cross multiply
    278,347.52x = 384,122.04 × 151,025.64
  4. Step 4: Simplify right side
    278,347.52x = 58,012,276,929.11
  5. Step 5: Solve for x
    x = 58,012,276,929.11/278,347.52
  6. Step 6: Final answer
    x = 208,416.72

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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.