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Finding the Fourth Proportional to 302,588.76, 417,564.93 and 166,621.62

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Solution

The fourth proportional to 302,588.76, 417,564.93 and 166,621.62 is: 229,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,588.76 : 417,564.93 = 166,621.62 : x
  2. Step 2: Convert to fraction form
    302,588.76/417,564.93 = 166,621.62/x
  3. Step 3: Cross multiply
    302,588.76x = 417,564.93 × 166,621.62
  4. Step 4: Simplify right side
    302,588.76x = 69,575,345,091.79
  5. Step 5: Solve for x
    x = 69,575,345,091.79/302,588.76
  6. Step 6: Final answer
    x = 229,933.67

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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.