Home / 659,637.51-989,497.31-238,917.03

Finding the Fourth Proportional to 659,637.51, 989,497.31 and 238,917.03

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Solution

The fourth proportional to 659,637.51, 989,497.31 and 238,917.03 is: 358,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,637.51 : 989,497.31 = 238,917.03 : x
  2. Step 2: Convert to fraction form
    659,637.51/989,497.31 = 238,917.03/x
  3. Step 3: Cross multiply
    659,637.51x = 989,497.31 × 238,917.03
  4. Step 4: Simplify right side
    659,637.51x = 236,407,758,498.19
  5. Step 5: Solve for x
    x = 236,407,758,498.19/659,637.51
  6. Step 6: Final answer
    x = 358,390.41

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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.