Home / 420,060.24-630,099-234,254.16

Finding the Fourth Proportional to 420,060.24, 630,099 and 234,254.16

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Solution

The fourth proportional to 420,060.24, 630,099 and 234,254.16 is: 351,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,060.24 : 630,099 = 234,254.16 : x
  2. Step 2: Convert to fraction form
    420,060.24/630,099 = 234,254.16/x
  3. Step 3: Cross multiply
    420,060.24x = 630,099 × 234,254.16
  4. Step 4: Simplify right side
    420,060.24x = 147,603,311,961.84
  5. Step 5: Solve for x
    x = 147,603,311,961.84/420,060.24
  6. Step 6: Final answer
    x = 351,386.06

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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.