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Finding the Fourth Proportional to 375,237.84, 563,064.56 and 138,735.68

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Solution

The fourth proportional to 375,237.84, 563,064.56 and 138,735.68 is: 208,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,237.84 : 563,064.56 = 138,735.68 : x
  2. Step 2: Convert to fraction form
    375,237.84/563,064.56 = 138,735.68/x
  3. Step 3: Cross multiply
    375,237.84x = 563,064.56 × 138,735.68
  4. Step 4: Simplify right side
    375,237.84x = 78,117,144,615.50
  5. Step 5: Solve for x
    x = 78,117,144,615.50/375,237.84
  6. Step 6: Final answer
    x = 208,180.35

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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.