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Finding the Fourth Proportional to 511,060.07, 766,627.02 and 207,308.34

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Solution

The fourth proportional to 511,060.07, 766,627.02 and 207,308.34 is: 310,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,060.07 : 766,627.02 = 207,308.34 : x
  2. Step 2: Convert to fraction form
    511,060.07/766,627.02 = 207,308.34/x
  3. Step 3: Cross multiply
    511,060.07x = 766,627.02 × 207,308.34
  4. Step 4: Simplify right side
    511,060.07x = 158,928,173,878.81
  5. Step 5: Solve for x
    x = 158,928,173,878.81/511,060.07
  6. Step 6: Final answer
    x = 310,977.49

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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.