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Finding the Fourth Proportional to 302,678.59, 417,633.08 and 175,346.59

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Solution

The fourth proportional to 302,678.59, 417,633.08 and 175,346.59 is: 241,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,678.59 : 417,633.08 = 175,346.59 : x
  2. Step 2: Convert to fraction form
    302,678.59/417,633.08 = 175,346.59/x
  3. Step 3: Cross multiply
    302,678.59x = 417,633.08 × 175,346.59
  4. Step 4: Simplify right side
    302,678.59x = 73,230,534,799.40
  5. Step 5: Solve for x
    x = 73,230,534,799.40/302,678.59
  6. Step 6: Final answer
    x = 241,941.58

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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.