Home / 278,669.02-384,566.07-151,347.10

Finding the Fourth Proportional to 278,669.02, 384,566.07 and 151,347.10

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Solution

The fourth proportional to 278,669.02, 384,566.07 and 151,347.10 is: 208,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,669.02 : 384,566.07 = 151,347.10 : x
  2. Step 2: Convert to fraction form
    278,669.02/384,566.07 = 151,347.10/x
  3. Step 3: Cross multiply
    278,669.02x = 384,566.07 × 151,347.10
  4. Step 4: Simplify right side
    278,669.02x = 58,202,959,452.90
  5. Step 5: Solve for x
    x = 58,202,959,452.90/278,669.02
  6. Step 6: Final answer
    x = 208,860.53

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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.