Home / 389,236.88-537,165.60-219,467.36

Finding the Fourth Proportional to 389,236.88, 537,165.60 and 219,467.36

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Solution

The fourth proportional to 389,236.88, 537,165.60 and 219,467.36 is: 302,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,236.88 : 537,165.60 = 219,467.36 : x
  2. Step 2: Convert to fraction form
    389,236.88/537,165.60 = 219,467.36/x
  3. Step 3: Cross multiply
    389,236.88x = 537,165.60 × 219,467.36
  4. Step 4: Simplify right side
    389,236.88x = 117,890,316,114.82
  5. Step 5: Solve for x
    x = 117,890,316,114.82/389,236.88
  6. Step 6: Final answer
    x = 302,875.50

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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.