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Finding the Fourth Proportional to 245,066.96, 367,339.08 and 139,658.96

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Solution

The fourth proportional to 245,066.96, 367,339.08 and 139,658.96 is: 209,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,066.96 : 367,339.08 = 139,658.96 : x
  2. Step 2: Convert to fraction form
    245,066.96/367,339.08 = 139,658.96/x
  3. Step 3: Cross multiply
    245,066.96x = 367,339.08 × 139,658.96
  4. Step 4: Simplify right side
    245,066.96x = 51,302,193,880.16
  5. Step 5: Solve for x
    x = 51,302,193,880.16/245,066.96
  6. Step 6: Final answer
    x = 209,339.50

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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.