Home / 867,988.10-1,301,982.15-236,965.70

Finding the Fourth Proportional to 867,988.10, 1,301,982.15 and 236,965.70

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Solution

The fourth proportional to 867,988.10, 1,301,982.15 and 236,965.70 is: 355,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,988.10 : 1,301,982.15 = 236,965.70 : x
  2. Step 2: Convert to fraction form
    867,988.10/1,301,982.15 = 236,965.70/x
  3. Step 3: Cross multiply
    867,988.10x = 1,301,982.15 × 236,965.70
  4. Step 4: Simplify right side
    867,988.10x = 308,525,111,562.26
  5. Step 5: Solve for x
    x = 308,525,111,562.26/867,988.10
  6. Step 6: Final answer
    x = 355,448.55

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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.