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Finding the Fourth Proportional to 556,988.68, 835,515.42 and 157,596.04

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Solution

The fourth proportional to 556,988.68, 835,515.42 and 157,596.04 is: 236,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,988.68 : 835,515.42 = 157,596.04 : x
  2. Step 2: Convert to fraction form
    556,988.68/835,515.42 = 157,596.04/x
  3. Step 3: Cross multiply
    556,988.68x = 835,515.42 × 157,596.04
  4. Step 4: Simplify right side
    556,988.68x = 131,673,921,550.94
  5. Step 5: Solve for x
    x = 131,673,921,550.94/556,988.68
  6. Step 6: Final answer
    x = 236,403.23

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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.