Home / 511,808.46-767,830.85-151,971.32

Finding the Fourth Proportional to 511,808.46, 767,830.85 and 151,971.32

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Solution

The fourth proportional to 511,808.46, 767,830.85 and 151,971.32 is: 227,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,808.46 : 767,830.85 = 151,971.32 : x
  2. Step 2: Convert to fraction form
    511,808.46/767,830.85 = 151,971.32/x
  3. Step 3: Cross multiply
    511,808.46x = 767,830.85 × 151,971.32
  4. Step 4: Simplify right side
    511,808.46x = 116,688,267,811.22
  5. Step 5: Solve for x
    x = 116,688,267,811.22/511,808.46
  6. Step 6: Final answer
    x = 227,992.07

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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.