Home / 434,537.80-651,612.30-168,209.80

Finding the Fourth Proportional to 434,537.80, 651,612.30 and 168,209.80

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Solution

The fourth proportional to 434,537.80, 651,612.30 and 168,209.80 is: 252,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,537.80 : 651,612.30 = 168,209.80 : x
  2. Step 2: Convert to fraction form
    434,537.80/651,612.30 = 168,209.80/x
  3. Step 3: Cross multiply
    434,537.80x = 651,612.30 × 168,209.80
  4. Step 4: Simplify right side
    434,537.80x = 109,607,574,660.54
  5. Step 5: Solve for x
    x = 109,607,574,660.54/434,537.80
  6. Step 6: Final answer
    x = 252,239.45

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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.