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Finding the Fourth Proportional to 397,585.58, 548,655.59 and 216,292.86

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Solution

The fourth proportional to 397,585.58, 548,655.59 and 216,292.86 is: 298,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,585.58 : 548,655.59 = 216,292.86 : x
  2. Step 2: Convert to fraction form
    397,585.58/548,655.59 = 216,292.86/x
  3. Step 3: Cross multiply
    397,585.58x = 548,655.59 × 216,292.86
  4. Step 4: Simplify right side
    397,585.58x = 118,670,287,256.82
  5. Step 5: Solve for x
    x = 118,670,287,256.82/397,585.58
  6. Step 6: Final answer
    x = 298,477.35

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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.