Home / 413,235.54-619,570.32-210,439.08

Finding the Fourth Proportional to 413,235.54, 619,570.32 and 210,439.08

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Solution

The fourth proportional to 413,235.54, 619,570.32 and 210,439.08 is: 315,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,235.54 : 619,570.32 = 210,439.08 : x
  2. Step 2: Convert to fraction form
    413,235.54/619,570.32 = 210,439.08/x
  3. Step 3: Cross multiply
    413,235.54x = 619,570.32 × 210,439.08
  4. Step 4: Simplify right side
    413,235.54x = 130,381,808,136.11
  5. Step 5: Solve for x
    x = 130,381,808,136.11/413,235.54
  6. Step 6: Final answer
    x = 315,514.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.