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Finding the Fourth Proportional to 434,010.42, 651,015.63 and 118,475.73

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Solution

The fourth proportional to 434,010.42, 651,015.63 and 118,475.73 is: 177,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,010.42 : 651,015.63 = 118,475.73 : x
  2. Step 2: Convert to fraction form
    434,010.42/651,015.63 = 118,475.73/x
  3. Step 3: Cross multiply
    434,010.42x = 651,015.63 × 118,475.73
  4. Step 4: Simplify right side
    434,010.42x = 77,129,552,005.66
  5. Step 5: Solve for x
    x = 77,129,552,005.66/434,010.42
  6. Step 6: Final answer
    x = 177,713.60

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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.