Home / 331,113.60-456,692.80-210,151.04

Finding the Fourth Proportional to 331,113.60, 456,692.80 and 210,151.04

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Solution

The fourth proportional to 331,113.60, 456,692.80 and 210,151.04 is: 289,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.60 : 456,692.80 = 210,151.04 : x
  2. Step 2: Convert to fraction form
    331,113.60/456,692.80 = 210,151.04/x
  3. Step 3: Cross multiply
    331,113.60x = 456,692.80 × 210,151.04
  4. Step 4: Simplify right side
    331,113.60x = 95,974,466,880.51
  5. Step 5: Solve for x
    x = 95,974,466,880.51/331,113.60
  6. Step 6: Final answer
    x = 289,853.59

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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.