Home / 346,924.58-478,729.50-210,939.64

Finding the Fourth Proportional to 346,924.58, 478,729.50 and 210,939.64

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Solution

The fourth proportional to 346,924.58, 478,729.50 and 210,939.64 is: 291,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,924.58 : 478,729.50 = 210,939.64 : x
  2. Step 2: Convert to fraction form
    346,924.58/478,729.50 = 210,939.64/x
  3. Step 3: Cross multiply
    346,924.58x = 478,729.50 × 210,939.64
  4. Step 4: Simplify right side
    346,924.58x = 100,983,028,387.38
  5. Step 5: Solve for x
    x = 100,983,028,387.38/346,924.58
  6. Step 6: Final answer
    x = 291,080.64

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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.