Home / 397,318.18-548,283.98-216,030.25

Finding the Fourth Proportional to 397,318.18, 548,283.98 and 216,030.25

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Solution

The fourth proportional to 397,318.18, 548,283.98 and 216,030.25 is: 298,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,318.18 : 548,283.98 = 216,030.25 : x
  2. Step 2: Convert to fraction form
    397,318.18/548,283.98 = 216,030.25/x
  3. Step 3: Cross multiply
    397,318.18x = 548,283.98 × 216,030.25
  4. Step 4: Simplify right side
    397,318.18x = 118,445,925,747.89
  5. Step 5: Solve for x
    x = 118,445,925,747.89/397,318.18
  6. Step 6: Final answer
    x = 298,113.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.