Home / 278,464.91-384,276.76-151,137.77

Finding the Fourth Proportional to 278,464.91, 384,276.76 and 151,137.77

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Solution

The fourth proportional to 278,464.91, 384,276.76 and 151,137.77 is: 208,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,464.91 : 384,276.76 = 151,137.77 : x
  2. Step 2: Convert to fraction form
    278,464.91/384,276.76 = 151,137.77/x
  3. Step 3: Cross multiply
    278,464.91x = 384,276.76 × 151,137.77
  4. Step 4: Simplify right side
    278,464.91x = 58,078,730,270.00
  5. Step 5: Solve for x
    x = 58,078,730,270.00/278,464.91
  6. Step 6: Final answer
    x = 208,567.50

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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.