Home / 349,900.23-482,741.95-212,123.59

Finding the Fourth Proportional to 349,900.23, 482,741.95 and 212,123.59

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Solution

The fourth proportional to 349,900.23, 482,741.95 and 212,123.59 is: 292,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,900.23 : 482,741.95 = 212,123.59 : x
  2. Step 2: Convert to fraction form
    349,900.23/482,741.95 = 212,123.59/x
  3. Step 3: Cross multiply
    349,900.23x = 482,741.95 × 212,123.59
  4. Step 4: Simplify right side
    349,900.23x = 102,400,955,477.60
  5. Step 5: Solve for x
    x = 102,400,955,477.60/349,900.23
  6. Step 6: Final answer
    x = 292,657.58

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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.