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Finding the Fourth Proportional to 375,848.88, 563,696.82 and 139,135.30

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Solution

The fourth proportional to 375,848.88, 563,696.82 and 139,135.30 is: 208,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,848.88 : 563,696.82 = 139,135.30 : x
  2. Step 2: Convert to fraction form
    375,848.88/563,696.82 = 139,135.30/x
  3. Step 3: Cross multiply
    375,848.88x = 563,696.82 × 139,135.30
  4. Step 4: Simplify right side
    375,848.88x = 78,430,126,159.75
  5. Step 5: Solve for x
    x = 78,430,126,159.75/375,848.88
  6. Step 6: Final answer
    x = 208,674.63

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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.