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Finding the Fourth Proportional to 556,145.60, 834,412.80 and 240,828.80

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Solution

The fourth proportional to 556,145.60, 834,412.80 and 240,828.80 is: 361,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,145.60 : 834,412.80 = 240,828.80 : x
  2. Step 2: Convert to fraction form
    556,145.60/834,412.80 = 240,828.80/x
  3. Step 3: Cross multiply
    556,145.60x = 834,412.80 × 240,828.80
  4. Step 4: Simplify right side
    556,145.60x = 200,950,633,328.64
  5. Step 5: Solve for x
    x = 200,950,633,328.64/556,145.60
  6. Step 6: Final answer
    x = 361,327.38

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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.