Home / 346,896.20-478,864.32-210,973.84

Finding the Fourth Proportional to 346,896.20, 478,864.32 and 210,973.84

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Solution

The fourth proportional to 346,896.20, 478,864.32 and 210,973.84 is: 291,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,896.20 : 478,864.32 = 210,973.84 : x
  2. Step 2: Convert to fraction form
    346,896.20/478,864.32 = 210,973.84/x
  3. Step 3: Cross multiply
    346,896.20x = 478,864.32 × 210,973.84
  4. Step 4: Simplify right side
    346,896.20x = 101,027,844,429.39
  5. Step 5: Solve for x
    x = 101,027,844,429.39/346,896.20
  6. Step 6: Final answer
    x = 291,233.64

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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.