Home / 346,890.56-478,786.26-210,895.76

Finding the Fourth Proportional to 346,890.56, 478,786.26 and 210,895.76

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Solution

The fourth proportional to 346,890.56, 478,786.26 and 210,895.76 is: 291,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,890.56 : 478,786.26 = 210,895.76 : x
  2. Step 2: Convert to fraction form
    346,890.56/478,786.26 = 210,895.76/x
  3. Step 3: Cross multiply
    346,890.56x = 478,786.26 × 210,895.76
  4. Step 4: Simplify right side
    346,890.56x = 100,973,992,180.26
  5. Step 5: Solve for x
    x = 100,973,992,180.26/346,890.56
  6. Step 6: Final answer
    x = 291,083.14

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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.