Home / 302,350.45-417,234.78-166,384.35

Finding the Fourth Proportional to 302,350.45, 417,234.78 and 166,384.35

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Solution

The fourth proportional to 302,350.45, 417,234.78 and 166,384.35 is: 229,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,350.45 : 417,234.78 = 166,384.35 : x
  2. Step 2: Convert to fraction form
    302,350.45/417,234.78 = 166,384.35/x
  3. Step 3: Cross multiply
    302,350.45x = 417,234.78 × 166,384.35
  4. Step 4: Simplify right side
    302,350.45x = 69,421,337,667.69
  5. Step 5: Solve for x
    x = 69,421,337,667.69/302,350.45
  6. Step 6: Final answer
    x = 229,605.54

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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.