Home / 272,577.72-376,157.21-151,716.40

Finding the Fourth Proportional to 272,577.72, 376,157.21 and 151,716.40

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Solution

The fourth proportional to 272,577.72, 376,157.21 and 151,716.40 is: 209,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,577.72 : 376,157.21 = 151,716.40 : x
  2. Step 2: Convert to fraction form
    272,577.72/376,157.21 = 151,716.40/x
  3. Step 3: Cross multiply
    272,577.72x = 376,157.21 × 151,716.40
  4. Step 4: Simplify right side
    272,577.72x = 57,069,217,174.14
  5. Step 5: Solve for x
    x = 57,069,217,174.14/272,577.72
  6. Step 6: Final answer
    x = 209,368.61

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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.