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Finding the Fourth Proportional to 511,030.79, 766,658.38 and 151,173.47

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Solution

The fourth proportional to 511,030.79, 766,658.38 and 151,173.47 is: 226,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,030.79 : 766,658.38 = 151,173.47 : x
  2. Step 2: Convert to fraction form
    511,030.79/766,658.38 = 151,173.47/x
  3. Step 3: Cross multiply
    511,030.79x = 766,658.38 × 151,173.47
  4. Step 4: Simplify right side
    511,030.79x = 115,898,405,881.50
  5. Step 5: Solve for x
    x = 115,898,405,881.50/511,030.79
  6. Step 6: Final answer
    x = 226,793.39

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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.