Home / 236,909.51-355,430.28-131,802.29

Finding the Fourth Proportional to 236,909.51, 355,430.28 and 131,802.29

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Solution

The fourth proportional to 236,909.51, 355,430.28 and 131,802.29 is: 197,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,909.51 : 355,430.28 = 131,802.29 : x
  2. Step 2: Convert to fraction form
    236,909.51/355,430.28 = 131,802.29/x
  3. Step 3: Cross multiply
    236,909.51x = 355,430.28 × 131,802.29
  4. Step 4: Simplify right side
    236,909.51x = 46,846,524,839.34
  5. Step 5: Solve for x
    x = 46,846,524,839.34/236,909.51
  6. Step 6: Final answer
    x = 197,740.16

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1.5x scale

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.