Home / 272,645.39-376,231.43-170,666.19

Finding the Fourth Proportional to 272,645.39, 376,231.43 and 170,666.19

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Solution

The fourth proportional to 272,645.39, 376,231.43 and 170,666.19 is: 235,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,645.39 : 376,231.43 = 170,666.19 : x
  2. Step 2: Convert to fraction form
    272,645.39/376,231.43 = 170,666.19/x
  3. Step 3: Cross multiply
    272,645.39x = 376,231.43 × 170,666.19
  4. Step 4: Simplify right side
    272,645.39x = 64,209,985,143.02
  5. Step 5: Solve for x
    x = 64,209,985,143.02/272,645.39
  6. Step 6: Final answer
    x = 235,507.32

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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.