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Finding the Fourth Proportional to 302,878.80, 417,970.80 and 166,913.82

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Solution

The fourth proportional to 302,878.80, 417,970.80 and 166,913.82 is: 230,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,878.80 : 417,970.80 = 166,913.82 : x
  2. Step 2: Convert to fraction form
    302,878.80/417,970.80 = 166,913.82/x
  3. Step 3: Cross multiply
    302,878.80x = 417,970.80 × 166,913.82
  4. Step 4: Simplify right side
    302,878.80x = 69,765,102,876.46
  5. Step 5: Solve for x
    x = 69,765,102,876.46/302,878.80
  6. Step 6: Final answer
    x = 230,340.00

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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.