Home / 368,437.45-508,440.08-205,091.36

Finding the Fourth Proportional to 368,437.45, 508,440.08 and 205,091.36

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Solution

The fourth proportional to 368,437.45, 508,440.08 and 205,091.36 is: 283,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,437.45 : 508,440.08 = 205,091.36 : x
  2. Step 2: Convert to fraction form
    368,437.45/508,440.08 = 205,091.36/x
  3. Step 3: Cross multiply
    368,437.45x = 508,440.08 × 205,091.36
  4. Step 4: Simplify right side
    368,437.45x = 104,276,666,460.25
  5. Step 5: Solve for x
    x = 104,276,666,460.25/368,437.45
  6. Step 6: Final answer
    x = 283,024.07

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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.