Home / 203,335.47-304,998.60-70,203.21

Finding the Fourth Proportional to 203,335.47, 304,998.60 and 70,203.21

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Solution

The fourth proportional to 203,335.47, 304,998.60 and 70,203.21 is: 105,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,335.47 : 304,998.60 = 70,203.21 : x
  2. Step 2: Convert to fraction form
    203,335.47/304,998.60 = 70,203.21/x
  3. Step 3: Cross multiply
    203,335.47x = 304,998.60 × 70,203.21
  4. Step 4: Simplify right side
    203,335.47x = 21,411,880,765.51
  5. Step 5: Solve for x
    x = 21,411,880,765.51/203,335.47
  6. Step 6: Final answer
    x = 105,303.23

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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.