Finding the Fourth Proportional to 418,867.40, 628,272.30 and 134,553.80
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Solution
The fourth proportional to 418,867.40, 628,272.30 and 134,553.80 is: 201,821.45
Step by Step Solution
- Step 1: Write the proportion equation
418,867.40 : 628,272.30 = 134,553.80 : x - Step 2: Convert to fraction form
418,867.40/628,272.30 = 134,553.80/x - Step 3: Cross multiply
418,867.40x = 628,272.30 × 134,553.80 - Step 4: Simplify right side
418,867.40x = 84,536,425,399.74 - Step 5: Solve for x
x = 84,536,425,399.74/418,867.40 - Step 6: Final answer
x = 201,821.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.