Home / 278,477.03-384,498.02-171,190.91

Finding the Fourth Proportional to 278,477.03, 384,498.02 and 171,190.91

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Solution

The fourth proportional to 278,477.03, 384,498.02 and 171,190.91 is: 236,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,477.03 : 384,498.02 = 171,190.91 : x
  2. Step 2: Convert to fraction form
    278,477.03/384,498.02 = 171,190.91/x
  3. Step 3: Cross multiply
    278,477.03x = 384,498.02 × 171,190.91
  4. Step 4: Simplify right side
    278,477.03x = 65,822,565,081.04
  5. Step 5: Solve for x
    x = 65,822,565,081.04/278,477.03
  6. Step 6: Final answer
    x = 236,366.23

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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.