Home / 289,082.64-433,516.20-99,490.02

Finding the Fourth Proportional to 289,082.64, 433,516.20 and 99,490.02

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Solution

The fourth proportional to 289,082.64, 433,516.20 and 99,490.02 is: 149,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,082.64 : 433,516.20 = 99,490.02 : x
  2. Step 2: Convert to fraction form
    289,082.64/433,516.20 = 99,490.02/x
  3. Step 3: Cross multiply
    289,082.64x = 433,516.20 × 99,490.02
  4. Step 4: Simplify right side
    289,082.64x = 43,130,535,408.32
  5. Step 5: Solve for x
    x = 43,130,535,408.32/289,082.64
  6. Step 6: Final answer
    x = 149,197.94

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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.