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Finding the Fourth Proportional to 549,574.60, 824,479.46 and 170,487.12

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Solution

The fourth proportional to 549,574.60, 824,479.46 and 170,487.12 is: 255,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,574.60 : 824,479.46 = 170,487.12 : x
  2. Step 2: Convert to fraction form
    549,574.60/824,479.46 = 170,487.12/x
  3. Step 3: Cross multiply
    549,574.60x = 824,479.46 × 170,487.12
  4. Step 4: Simplify right side
    549,574.60x = 140,563,128,634.56
  5. Step 5: Solve for x
    x = 140,563,128,634.56/549,574.60
  6. Step 6: Final answer
    x = 255,767.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.