Home / 357,144.45-492,826.71-211,925.15

Finding the Fourth Proportional to 357,144.45, 492,826.71 and 211,925.15

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Solution

The fourth proportional to 357,144.45, 492,826.71 and 211,925.15 is: 292,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,144.45 : 492,826.71 = 211,925.15 : x
  2. Step 2: Convert to fraction form
    357,144.45/492,826.71 = 211,925.15/x
  3. Step 3: Cross multiply
    357,144.45x = 492,826.71 × 211,925.15
  4. Step 4: Simplify right side
    357,144.45x = 104,442,374,440.76
  5. Step 5: Solve for x
    x = 104,442,374,440.76/357,144.45
  6. Step 6: Final answer
    x = 292,437.34

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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.