Home / 346,834.88-520,402.44-122,355.80

Finding the Fourth Proportional to 346,834.88, 520,402.44 and 122,355.80

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Solution

The fourth proportional to 346,834.88, 520,402.44 and 122,355.80 is: 183,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,834.88 : 520,402.44 = 122,355.80 : x
  2. Step 2: Convert to fraction form
    346,834.88/520,402.44 = 122,355.80/x
  3. Step 3: Cross multiply
    346,834.88x = 520,402.44 × 122,355.80
  4. Step 4: Simplify right side
    346,834.88x = 63,674,256,868.15
  5. Step 5: Solve for x
    x = 63,674,256,868.15/346,834.88
  6. Step 6: Final answer
    x = 183,586.66

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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.