Home / 346,109.20-477,664.14-210,111.64

Finding the Fourth Proportional to 346,109.20, 477,664.14 and 210,111.64

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Solution

The fourth proportional to 346,109.20, 477,664.14 and 210,111.64 is: 289,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,109.20 : 477,664.14 = 210,111.64 : x
  2. Step 2: Convert to fraction form
    346,109.20/477,664.14 = 210,111.64/x
  3. Step 3: Cross multiply
    346,109.20x = 477,664.14 × 210,111.64
  4. Step 4: Simplify right side
    346,109.20x = 100,362,795,824.59
  5. Step 5: Solve for x
    x = 100,362,795,824.59/346,109.20
  6. Step 6: Final answer
    x = 289,974.37

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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.