Home / 245,931.30-339,397.83-150,408

Finding the Fourth Proportional to 245,931.30, 339,397.83 and 150,408

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Solution

The fourth proportional to 245,931.30, 339,397.83 and 150,408 is: 207,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,931.30 : 339,397.83 = 150,408 : x
  2. Step 2: Convert to fraction form
    245,931.30/339,397.83 = 150,408/x
  3. Step 3: Cross multiply
    245,931.30x = 339,397.83 × 150,408
  4. Step 4: Simplify right side
    245,931.30x = 51,048,148,814.64
  5. Step 5: Solve for x
    x = 51,048,148,814.64/245,931.30
  6. Step 6: Final answer
    x = 207,570.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.