Home / 278,300.22-384,054.18-150,975.80

Finding the Fourth Proportional to 278,300.22, 384,054.18 and 150,975.80

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Solution

The fourth proportional to 278,300.22, 384,054.18 and 150,975.80 is: 208,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,300.22 : 384,054.18 = 150,975.80 : x
  2. Step 2: Convert to fraction form
    278,300.22/384,054.18 = 150,975.80/x
  3. Step 3: Cross multiply
    278,300.22x = 384,054.18 × 150,975.80
  4. Step 4: Simplify right side
    278,300.22x = 57,982,887,068.84
  5. Step 5: Solve for x
    x = 57,982,887,068.84/278,300.22
  6. Step 6: Final answer
    x = 208,346.54

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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.