Home / 389,172.03-537,212.57-334,508.37

Finding the Fourth Proportional to 389,172.03, 537,212.57 and 334,508.37

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Solution

The fourth proportional to 389,172.03, 537,212.57 and 334,508.37 is: 461,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,172.03 : 537,212.57 = 334,508.37 : x
  2. Step 2: Convert to fraction form
    389,172.03/537,212.57 = 334,508.37/x
  3. Step 3: Cross multiply
    389,172.03x = 537,212.57 × 334,508.37
  4. Step 4: Simplify right side
    389,172.03x = 179,702,099,461.67
  5. Step 5: Solve for x
    x = 179,702,099,461.67/389,172.03
  6. Step 6: Final answer
    x = 461,754.92

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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.