Home / 476,669.25-715,003.65-121,683.15

Finding the Fourth Proportional to 476,669.25, 715,003.65 and 121,683.15

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Solution

The fourth proportional to 476,669.25, 715,003.65 and 121,683.15 is: 182,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,669.25 : 715,003.65 = 121,683.15 : x
  2. Step 2: Convert to fraction form
    476,669.25/715,003.65 = 121,683.15/x
  3. Step 3: Cross multiply
    476,669.25x = 715,003.65 × 121,683.15
  4. Step 4: Simplify right side
    476,669.25x = 87,003,896,393.50
  5. Step 5: Solve for x
    x = 87,003,896,393.50/476,669.25
  6. Step 6: Final answer
    x = 182,524.67

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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.