Home / 501,686.31-692,323.61-272,237.76

Finding the Fourth Proportional to 501,686.31, 692,323.61 and 272,237.76

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Solution

The fourth proportional to 501,686.31, 692,323.61 and 272,237.76 is: 375,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,686.31 : 692,323.61 = 272,237.76 : x
  2. Step 2: Convert to fraction form
    501,686.31/692,323.61 = 272,237.76/x
  3. Step 3: Cross multiply
    501,686.31x = 692,323.61 × 272,237.76
  4. Step 4: Simplify right side
    501,686.31x = 188,476,627,420.33
  5. Step 5: Solve for x
    x = 188,476,627,420.33/501,686.31
  6. Step 6: Final answer
    x = 375,686.21

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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.