Home / 490,068.23-676,285.36-272,277.89

Finding the Fourth Proportional to 490,068.23, 676,285.36 and 272,277.89

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Solution

The fourth proportional to 490,068.23, 676,285.36 and 272,277.89 is: 375,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,068.23 : 676,285.36 = 272,277.89 : x
  2. Step 2: Convert to fraction form
    490,068.23/676,285.36 = 272,277.89/x
  3. Step 3: Cross multiply
    490,068.23x = 676,285.36 × 272,277.89
  4. Step 4: Simplify right side
    490,068.23x = 184,137,546,115.87
  5. Step 5: Solve for x
    x = 184,137,546,115.87/490,068.23
  6. Step 6: Final answer
    x = 375,738.59

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1.5x scale

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.