Home / 304,340.48-420,002.40-168,372.20

Finding the Fourth Proportional to 304,340.48, 420,002.40 and 168,372.20

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Solution

The fourth proportional to 304,340.48, 420,002.40 and 168,372.20 is: 232,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,340.48 : 420,002.40 = 168,372.20 : x
  2. Step 2: Convert to fraction form
    304,340.48/420,002.40 = 168,372.20/x
  3. Step 3: Cross multiply
    304,340.48x = 420,002.40 × 168,372.20
  4. Step 4: Simplify right side
    304,340.48x = 70,716,728,093.28
  5. Step 5: Solve for x
    x = 70,716,728,093.28/304,340.48
  6. Step 6: Final answer
    x = 232,360.57

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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.