Home / 278,962.24-384,939.12-165,763.12

Finding the Fourth Proportional to 278,962.24, 384,939.12 and 165,763.12

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Solution

The fourth proportional to 278,962.24, 384,939.12 and 165,763.12 is: 228,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,962.24 : 384,939.12 = 165,763.12 : x
  2. Step 2: Convert to fraction form
    278,962.24/384,939.12 = 165,763.12/x
  3. Step 3: Cross multiply
    278,962.24x = 384,939.12 × 165,763.12
  4. Step 4: Simplify right side
    278,962.24x = 63,808,709,541.25
  5. Step 5: Solve for x
    x = 63,808,709,541.25/278,962.24
  6. Step 6: Final answer
    x = 228,736.01

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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.