Home / 289,056.30-433,584.45-122,822.70

Finding the Fourth Proportional to 289,056.30, 433,584.45 and 122,822.70

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Solution

The fourth proportional to 289,056.30, 433,584.45 and 122,822.70 is: 184,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,056.30 : 433,584.45 = 122,822.70 : x
  2. Step 2: Convert to fraction form
    289,056.30/433,584.45 = 122,822.70/x
  3. Step 3: Cross multiply
    289,056.30x = 433,584.45 × 122,822.70
  4. Step 4: Simplify right side
    289,056.30x = 53,254,012,827.02
  5. Step 5: Solve for x
    x = 53,254,012,827.02/289,056.30
  6. Step 6: Final answer
    x = 184,234.05

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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.