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Finding the Fourth Proportional to 301,869.10, 452,803.65 and 161,901.10

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Solution

The fourth proportional to 301,869.10, 452,803.65 and 161,901.10 is: 242,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,869.10 : 452,803.65 = 161,901.10 : x
  2. Step 2: Convert to fraction form
    301,869.10/452,803.65 = 161,901.10/x
  3. Step 3: Cross multiply
    301,869.10x = 452,803.65 × 161,901.10
  4. Step 4: Simplify right side
    301,869.10x = 73,309,409,019.02
  5. Step 5: Solve for x
    x = 73,309,409,019.02/301,869.10
  6. Step 6: Final answer
    x = 242,851.65

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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.