Home / 397,852.32-549,043.20-216,569.46

Finding the Fourth Proportional to 397,852.32, 549,043.20 and 216,569.46

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Solution

The fourth proportional to 397,852.32, 549,043.20 and 216,569.46 is: 298,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,852.32 : 549,043.20 = 216,569.46 : x
  2. Step 2: Convert to fraction form
    397,852.32/549,043.20 = 216,569.46/x
  3. Step 3: Cross multiply
    397,852.32x = 549,043.20 × 216,569.46
  4. Step 4: Simplify right side
    397,852.32x = 118,905,989,340.67
  5. Step 5: Solve for x
    x = 118,905,989,340.67/397,852.32
  6. Step 6: Final answer
    x = 298,869.66

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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.