Home / 278,328.26-384,089.55-151,002.92

Finding the Fourth Proportional to 278,328.26, 384,089.55 and 151,002.92

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Solution

The fourth proportional to 278,328.26, 384,089.55 and 151,002.92 is: 208,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,328.26 : 384,089.55 = 151,002.92 : x
  2. Step 2: Convert to fraction form
    278,328.26/384,089.55 = 151,002.92/x
  3. Step 3: Cross multiply
    278,328.26x = 384,089.55 × 151,002.92
  4. Step 4: Simplify right side
    278,328.26x = 57,998,643,591.49
  5. Step 5: Solve for x
    x = 57,998,643,591.49/278,328.26
  6. Step 6: Final answer
    x = 208,382.16

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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.