Home / 346,835.49-520,294.92-122,149.50

Finding the Fourth Proportional to 346,835.49, 520,294.92 and 122,149.50

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Solution

The fourth proportional to 346,835.49, 520,294.92 and 122,149.50 is: 183,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,835.49 : 520,294.92 = 122,149.50 : x
  2. Step 2: Convert to fraction form
    346,835.49/520,294.92 = 122,149.50/x
  3. Step 3: Cross multiply
    346,835.49x = 520,294.92 × 122,149.50
  4. Step 4: Simplify right side
    346,835.49x = 63,553,764,330.54
  5. Step 5: Solve for x
    x = 63,553,764,330.54/346,835.49
  6. Step 6: Final answer
    x = 183,238.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.