Home / 384,028.80-529,934.88-211,948.32

Finding the Fourth Proportional to 384,028.80, 529,934.88 and 211,948.32

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Solution

The fourth proportional to 384,028.80, 529,934.88 and 211,948.32 is: 292,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,028.80 : 529,934.88 = 211,948.32 : x
  2. Step 2: Convert to fraction form
    384,028.80/529,934.88 = 211,948.32/x
  3. Step 3: Cross multiply
    384,028.80x = 529,934.88 × 211,948.32
  4. Step 4: Simplify right side
    384,028.80x = 112,318,807,525.40
  5. Step 5: Solve for x
    x = 112,318,807,525.40/384,028.80
  6. Step 6: Final answer
    x = 292,474.96

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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.