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Finding the Fourth Proportional to 245,277.62, 367,962.06 and 85,346.90

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Solution

The fourth proportional to 245,277.62, 367,962.06 and 85,346.90 is: 128,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,277.62 : 367,962.06 = 85,346.90 : x
  2. Step 2: Convert to fraction form
    245,277.62/367,962.06 = 85,346.90/x
  3. Step 3: Cross multiply
    245,277.62x = 367,962.06 × 85,346.90
  4. Step 4: Simplify right side
    245,277.62x = 31,404,421,138.61
  5. Step 5: Solve for x
    x = 31,404,421,138.61/245,277.62
  6. Step 6: Final answer
    x = 128,036.23

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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.