Home / 488,068.39-731,931.06-146,409.94

Finding the Fourth Proportional to 488,068.39, 731,931.06 and 146,409.94

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Solution

The fourth proportional to 488,068.39, 731,931.06 and 146,409.94 is: 219,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,068.39 : 731,931.06 = 146,409.94 : x
  2. Step 2: Convert to fraction form
    488,068.39/731,931.06 = 146,409.94/x
  3. Step 3: Cross multiply
    488,068.39x = 731,931.06 × 146,409.94
  4. Step 4: Simplify right side
    488,068.39x = 107,161,978,919.08
  5. Step 5: Solve for x
    x = 107,161,978,919.08/488,068.39
  6. Step 6: Final answer
    x = 219,563.45

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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.