Home / 309,031.02-463,754.28-109,350.60

Finding the Fourth Proportional to 309,031.02, 463,754.28 and 109,350.60

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Solution

The fourth proportional to 309,031.02, 463,754.28 and 109,350.60 is: 164,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,031.02 : 463,754.28 = 109,350.60 : x
  2. Step 2: Convert to fraction form
    309,031.02/463,754.28 = 109,350.60/x
  3. Step 3: Cross multiply
    309,031.02x = 463,754.28 × 109,350.60
  4. Step 4: Simplify right side
    309,031.02x = 50,711,808,770.57
  5. Step 5: Solve for x
    x = 50,711,808,770.57/309,031.02
  6. Step 6: Final answer
    x = 164,099.41

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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.