Home / 289,318.90-433,783.95-131,466.10

Finding the Fourth Proportional to 289,318.90, 433,783.95 and 131,466.10

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Solution

The fourth proportional to 289,318.90, 433,783.95 and 131,466.10 is: 197,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,318.90 : 433,783.95 = 131,466.10 : x
  2. Step 2: Convert to fraction form
    289,318.90/433,783.95 = 131,466.10/x
  3. Step 3: Cross multiply
    289,318.90x = 433,783.95 × 131,466.10
  4. Step 4: Simplify right side
    289,318.90x = 57,027,884,149.10
  5. Step 5: Solve for x
    x = 57,027,884,149.10/289,318.90
  6. Step 6: Final answer
    x = 197,110.81

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1.5x scale

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.