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Finding the Fourth Proportional to 340,783.00, 470,261.35 and 187,820.72

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Solution

The fourth proportional to 340,783.00, 470,261.35 and 187,820.72 is: 259,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,783.00 : 470,261.35 = 187,820.72 : x
  2. Step 2: Convert to fraction form
    340,783.00/470,261.35 = 187,820.72/x
  3. Step 3: Cross multiply
    340,783.00x = 470,261.35 × 187,820.72
  4. Step 4: Simplify right side
    340,783.00x = 88,324,828,165.59
  5. Step 5: Solve for x
    x = 88,324,828,165.59/340,783.00
  6. Step 6: Final answer
    x = 259,182.03

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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.