Home / 278,477.47-384,299.22-151,153.03

Finding the Fourth Proportional to 278,477.47, 384,299.22 and 151,153.03

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Solution

The fourth proportional to 278,477.47, 384,299.22 and 151,153.03 is: 208,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,477.47 : 384,299.22 = 151,153.03 : x
  2. Step 2: Convert to fraction form
    278,477.47/384,299.22 = 151,153.03/x
  3. Step 3: Cross multiply
    278,477.47x = 384,299.22 × 151,153.03
  4. Step 4: Simplify right side
    278,477.47x = 58,087,991,529.64
  5. Step 5: Solve for x
    x = 58,087,991,529.64/278,477.47
  6. Step 6: Final answer
    x = 208,591.35

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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.