Home / 389,174.08-537,053.07-219,408.34

Finding the Fourth Proportional to 389,174.08, 537,053.07 and 219,408.34

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Solution

The fourth proportional to 389,174.08, 537,053.07 and 219,408.34 is: 302,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,174.08 : 537,053.07 = 219,408.34 : x
  2. Step 2: Convert to fraction form
    389,174.08/537,053.07 = 219,408.34/x
  3. Step 3: Cross multiply
    389,174.08x = 537,053.07 × 219,408.34
  4. Step 4: Simplify right side
    389,174.08x = 117,833,922,580.60
  5. Step 5: Solve for x
    x = 117,833,922,580.60/389,174.08
  6. Step 6: Final answer
    x = 302,779.47

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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.