Home / 302,763.16-417,846-166,811.05

Finding the Fourth Proportional to 302,763.16, 417,846 and 166,811.05

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Solution

The fourth proportional to 302,763.16, 417,846 and 166,811.05 is: 230,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,763.16 : 417,846 = 166,811.05 : x
  2. Step 2: Convert to fraction form
    302,763.16/417,846 = 166,811.05/x
  3. Step 3: Cross multiply
    302,763.16x = 417,846 × 166,811.05
  4. Step 4: Simplify right side
    302,763.16x = 69,701,329,998.30
  5. Step 5: Solve for x
    x = 69,701,329,998.30/302,763.16
  6. Step 6: Final answer
    x = 230,217.34

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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.