Home / 346,964.90-478,913.38-201,804.83

Finding the Fourth Proportional to 346,964.90, 478,913.38 and 201,804.83

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Solution

The fourth proportional to 346,964.90, 478,913.38 and 201,804.83 is: 278,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,964.90 : 478,913.38 = 201,804.83 : x
  2. Step 2: Convert to fraction form
    346,964.90/478,913.38 = 201,804.83/x
  3. Step 3: Cross multiply
    346,964.90x = 478,913.38 × 201,804.83
  4. Step 4: Simplify right side
    346,964.90x = 96,647,032,668.98
  5. Step 5: Solve for x
    x = 96,647,032,668.98/346,964.90
  6. Step 6: Final answer
    x = 278,549.88

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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.