Home / 278,668.02-384,564.69-151,346.10

Finding the Fourth Proportional to 278,668.02, 384,564.69 and 151,346.10

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Solution

The fourth proportional to 278,668.02, 384,564.69 and 151,346.10 is: 208,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,668.02 : 384,564.69 = 151,346.10 : x
  2. Step 2: Convert to fraction form
    278,668.02/384,564.69 = 151,346.10/x
  3. Step 3: Cross multiply
    278,668.02x = 384,564.69 × 151,346.10
  4. Step 4: Simplify right side
    278,668.02x = 58,202,366,029.21
  5. Step 5: Solve for x
    x = 58,202,366,029.21/278,668.02
  6. Step 6: Final answer
    x = 208,859.15

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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.