Home / 278,466.72-384,284.51-151,142.37

Finding the Fourth Proportional to 278,466.72, 384,284.51 and 151,142.37

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Solution

The fourth proportional to 278,466.72, 384,284.51 and 151,142.37 is: 208,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,466.72 : 384,284.51 = 151,142.37 : x
  2. Step 2: Convert to fraction form
    278,466.72/384,284.51 = 151,142.37/x
  3. Step 3: Cross multiply
    278,466.72x = 384,284.51 × 151,142.37
  4. Step 4: Simplify right side
    278,466.72x = 58,081,668,918.55
  5. Step 5: Solve for x
    x = 58,081,668,918.55/278,466.72
  6. Step 6: Final answer
    x = 208,576.70

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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.