Home / 346,102.20-477,654.48-210,104.64

Finding the Fourth Proportional to 346,102.20, 477,654.48 and 210,104.64

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Solution

The fourth proportional to 346,102.20, 477,654.48 and 210,104.64 is: 289,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,102.20 : 477,654.48 = 210,104.64 : x
  2. Step 2: Convert to fraction form
    346,102.20/477,654.48 = 210,104.64/x
  3. Step 3: Cross multiply
    346,102.20x = 477,654.48 × 210,104.64
  4. Step 4: Simplify right side
    346,102.20x = 100,357,422,564.79
  5. Step 5: Solve for x
    x = 100,357,422,564.79/346,102.20
  6. Step 6: Final answer
    x = 289,964.71

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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.