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Finding the Fourth Proportional to 223,510.47, 308,425.77 and 131,615.16

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Solution

The fourth proportional to 223,510.47, 308,425.77 and 131,615.16 is: 181,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,510.47 : 308,425.77 = 131,615.16 : x
  2. Step 2: Convert to fraction form
    223,510.47/308,425.77 = 131,615.16/x
  3. Step 3: Cross multiply
    223,510.47x = 308,425.77 × 131,615.16
  4. Step 4: Simplify right side
    223,510.47x = 40,593,507,066.67
  5. Step 5: Solve for x
    x = 40,593,507,066.67/223,510.47
  6. Step 6: Final answer
    x = 181,617.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.