Home / 384,055.41-529,956.27-211,970.20

Finding the Fourth Proportional to 384,055.41, 529,956.27 and 211,970.20

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Solution

The fourth proportional to 384,055.41, 529,956.27 and 211,970.20 is: 292,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,055.41 : 529,956.27 = 211,970.20 : x
  2. Step 2: Convert to fraction form
    384,055.41/529,956.27 = 211,970.20/x
  3. Step 3: Cross multiply
    384,055.41x = 529,956.27 × 211,970.20
  4. Step 4: Simplify right side
    384,055.41x = 112,334,936,543.15
  5. Step 5: Solve for x
    x = 112,334,936,543.15/384,055.41
  6. Step 6: Final answer
    x = 292,496.69

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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.