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Finding the Fourth Proportional to 464,987.60, 697,308.60 and 184,446.80

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Solution

The fourth proportional to 464,987.60, 697,308.60 and 184,446.80 is: 276,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,987.60 : 697,308.60 = 184,446.80 : x
  2. Step 2: Convert to fraction form
    464,987.60/697,308.60 = 184,446.80/x
  3. Step 3: Cross multiply
    464,987.60x = 697,308.60 × 184,446.80
  4. Step 4: Simplify right side
    464,987.60x = 128,616,339,882.48
  5. Step 5: Solve for x
    x = 128,616,339,882.48/464,987.60
  6. Step 6: Final answer
    x = 276,601.66

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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.