Home / 397,287.47-548,267.46-216,011.57

Finding the Fourth Proportional to 397,287.47, 548,267.46 and 216,011.57

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Solution

The fourth proportional to 397,287.47, 548,267.46 and 216,011.57 is: 298,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,287.47 : 548,267.46 = 216,011.57 : x
  2. Step 2: Convert to fraction form
    397,287.47/548,267.46 = 216,011.57/x
  3. Step 3: Cross multiply
    397,287.47x = 548,267.46 × 216,011.57
  4. Step 4: Simplify right side
    397,287.47x = 118,432,114,814.51
  5. Step 5: Solve for x
    x = 118,432,114,814.51/397,287.47
  6. Step 6: Final answer
    x = 298,101.81

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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.