Home / 434,218.32-651,345.75-118,674.36

Finding the Fourth Proportional to 434,218.32, 651,345.75 and 118,674.36

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Solution

The fourth proportional to 434,218.32, 651,345.75 and 118,674.36 is: 178,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,218.32 : 651,345.75 = 118,674.36 : x
  2. Step 2: Convert to fraction form
    434,218.32/651,345.75 = 118,674.36/x
  3. Step 3: Cross multiply
    434,218.32x = 651,345.75 × 118,674.36
  4. Step 4: Simplify right side
    434,218.32x = 77,298,040,019.97
  5. Step 5: Solve for x
    x = 77,298,040,019.97/434,218.32
  6. Step 6: Final answer
    x = 178,016.53

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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.