Home / 423,450.55-634,692.66-170,569.23

Finding the Fourth Proportional to 423,450.55, 634,692.66 and 170,569.23

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Solution

The fourth proportional to 423,450.55, 634,692.66 and 170,569.23 is: 255,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,450.55 : 634,692.66 = 170,569.23 : x
  2. Step 2: Convert to fraction form
    423,450.55/634,692.66 = 170,569.23/x
  3. Step 3: Cross multiply
    423,450.55x = 634,692.66 × 170,569.23
  4. Step 4: Simplify right side
    423,450.55x = 108,259,035,129.39
  5. Step 5: Solve for x
    x = 108,259,035,129.39/423,450.55
  6. Step 6: Final answer
    x = 255,659.21

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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.