Home / 328,173.12-492,259.68-103,534.20

Finding the Fourth Proportional to 328,173.12, 492,259.68 and 103,534.20

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Solution

The fourth proportional to 328,173.12, 492,259.68 and 103,534.20 is: 155,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,173.12 : 492,259.68 = 103,534.20 : x
  2. Step 2: Convert to fraction form
    328,173.12/492,259.68 = 103,534.20/x
  3. Step 3: Cross multiply
    328,173.12x = 492,259.68 × 103,534.20
  4. Step 4: Simplify right side
    328,173.12x = 50,965,712,161.06
  5. Step 5: Solve for x
    x = 50,965,712,161.06/328,173.12
  6. Step 6: Final answer
    x = 155,301.30

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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.