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Finding the Fourth Proportional to 301,954.20, 452,931.30 and 202,421.40

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Solution

The fourth proportional to 301,954.20, 452,931.30 and 202,421.40 is: 303,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,954.20 : 452,931.30 = 202,421.40 : x
  2. Step 2: Convert to fraction form
    301,954.20/452,931.30 = 202,421.40/x
  3. Step 3: Cross multiply
    301,954.20x = 452,931.30 × 202,421.40
  4. Step 4: Simplify right side
    301,954.20x = 91,682,987,849.82
  5. Step 5: Solve for x
    x = 91,682,987,849.82/301,954.20
  6. Step 6: Final answer
    x = 303,632.10

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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.