Home / 251,222.40-376,396.20-162,430.20

Finding the Fourth Proportional to 251,222.40, 376,396.20 and 162,430.20

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Solution

The fourth proportional to 251,222.40, 376,396.20 and 162,430.20 is: 243,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,222.40 : 376,396.20 = 162,430.20 : x
  2. Step 2: Convert to fraction form
    251,222.40/376,396.20 = 162,430.20/x
  3. Step 3: Cross multiply
    251,222.40x = 376,396.20 × 162,430.20
  4. Step 4: Simplify right side
    251,222.40x = 61,138,110,045.24
  5. Step 5: Solve for x
    x = 61,138,110,045.24/251,222.40
  6. Step 6: Final answer
    x = 243,362.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.