Home / 369,636.07-510,076.63-208,481.51

Finding the Fourth Proportional to 369,636.07, 510,076.63 and 208,481.51

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Solution

The fourth proportional to 369,636.07, 510,076.63 and 208,481.51 is: 287,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,636.07 : 510,076.63 = 208,481.51 : x
  2. Step 2: Convert to fraction form
    369,636.07/510,076.63 = 208,481.51/x
  3. Step 3: Cross multiply
    369,636.07x = 510,076.63 × 208,481.51
  4. Step 4: Simplify right side
    369,636.07x = 106,341,546,038.11
  5. Step 5: Solve for x
    x = 106,341,546,038.11/369,636.07
  6. Step 6: Final answer
    x = 287,692.56

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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.