Home / 278,467.16-384,274.40-151,140.02

Finding the Fourth Proportional to 278,467.16, 384,274.40 and 151,140.02

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Solution

The fourth proportional to 278,467.16, 384,274.40 and 151,140.02 is: 208,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,467.16 : 384,274.40 = 151,140.02 : x
  2. Step 2: Convert to fraction form
    278,467.16/384,274.40 = 151,140.02/x
  3. Step 3: Cross multiply
    278,467.16x = 384,274.40 × 151,140.02
  4. Step 4: Simplify right side
    278,467.16x = 58,079,242,028.95
  5. Step 5: Solve for x
    x = 58,079,242,028.95/278,467.16
  6. Step 6: Final answer
    x = 208,567.65

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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.