Home / 289,150.79-433,555.74-135,106.38

Finding the Fourth Proportional to 289,150.79, 433,555.74 and 135,106.38

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Solution

The fourth proportional to 289,150.79, 433,555.74 and 135,106.38 is: 202,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,150.79 : 433,555.74 = 135,106.38 : x
  2. Step 2: Convert to fraction form
    289,150.79/433,555.74 = 135,106.38/x
  3. Step 3: Cross multiply
    289,150.79x = 433,555.74 × 135,106.38
  4. Step 4: Simplify right side
    289,150.79x = 58,576,146,559.62
  5. Step 5: Solve for x
    x = 58,576,146,559.62/289,150.79
  6. Step 6: Final answer
    x = 202,579.93

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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.