Home / 397,824.32-549,009.17-216,547.94

Finding the Fourth Proportional to 397,824.32, 549,009.17 and 216,547.94

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Solution

The fourth proportional to 397,824.32, 549,009.17 and 216,547.94 is: 298,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,824.32 : 549,009.17 = 216,547.94 : x
  2. Step 2: Convert to fraction form
    397,824.32/549,009.17 = 216,547.94/x
  3. Step 3: Cross multiply
    397,824.32x = 549,009.17 × 216,547.94
  4. Step 4: Simplify right side
    397,824.32x = 118,886,800,976.82
  5. Step 5: Solve for x
    x = 118,886,800,976.82/397,824.32
  6. Step 6: Final answer
    x = 298,842.47

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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.