Home / 628,079.14-942,276.56-201,653.11

Finding the Fourth Proportional to 628,079.14, 942,276.56 and 201,653.11

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Solution

The fourth proportional to 628,079.14, 942,276.56 and 201,653.11 is: 302,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,079.14 : 942,276.56 = 201,653.11 : x
  2. Step 2: Convert to fraction form
    628,079.14/942,276.56 = 201,653.11/x
  3. Step 3: Cross multiply
    628,079.14x = 942,276.56 × 201,653.11
  4. Step 4: Simplify right side
    628,079.14x = 190,012,998,804.10
  5. Step 5: Solve for x
    x = 190,012,998,804.10/628,079.14
  6. Step 6: Final answer
    x = 302,530.34

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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.