Home / 289,804.02-434,707.53-131,922.06

Finding the Fourth Proportional to 289,804.02, 434,707.53 and 131,922.06

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Solution

The fourth proportional to 289,804.02, 434,707.53 and 131,922.06 is: 197,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,804.02 : 434,707.53 = 131,922.06 : x
  2. Step 2: Convert to fraction form
    289,804.02/434,707.53 = 131,922.06/x
  3. Step 3: Cross multiply
    289,804.02x = 434,707.53 × 131,922.06
  4. Step 4: Simplify right side
    289,804.02x = 57,347,512,855.11
  5. Step 5: Solve for x
    x = 57,347,512,855.11/289,804.02
  6. Step 6: Final answer
    x = 197,883.77

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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.