Home / 278,466.03-384,272.84-151,138.89

Finding the Fourth Proportional to 278,466.03, 384,272.84 and 151,138.89

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Solution

The fourth proportional to 278,466.03, 384,272.84 and 151,138.89 is: 208,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,466.03 : 384,272.84 = 151,138.89 : x
  2. Step 2: Convert to fraction form
    278,466.03/384,272.84 = 151,138.89/x
  3. Step 3: Cross multiply
    278,466.03x = 384,272.84 × 151,138.89
  4. Step 4: Simplify right side
    278,466.03x = 58,078,570,494.75
  5. Step 5: Solve for x
    x = 58,078,570,494.75/278,466.03
  6. Step 6: Final answer
    x = 208,566.09

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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.