Home / 278,501.42-384,331.64-151,177.02

Finding the Fourth Proportional to 278,501.42, 384,331.64 and 151,177.02

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Solution

The fourth proportional to 278,501.42, 384,331.64 and 151,177.02 is: 208,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,501.42 : 384,331.64 = 151,177.02 : x
  2. Step 2: Convert to fraction form
    278,501.42/384,331.64 = 151,177.02/x
  3. Step 3: Cross multiply
    278,501.42x = 384,331.64 × 151,177.02
  4. Step 4: Simplify right side
    278,501.42x = 58,102,109,829.78
  5. Step 5: Solve for x
    x = 58,102,109,829.78/278,501.42
  6. Step 6: Final answer
    x = 208,624.10

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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.