Finding the Fourth Proportional to 134,654.17, 201,987.18 and 39,880.53
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Solution
The fourth proportional to 134,654.17, 201,987.18 and 39,880.53 is: 59,822.55
Step by Step Solution
- Step 1: Write the proportion equation
134,654.17 : 201,987.18 = 39,880.53 : x - Step 2: Convert to fraction form
134,654.17/201,987.18 = 39,880.53/x - Step 3: Cross multiply
134,654.17x = 201,987.18 × 39,880.53 - Step 4: Simplify right side
134,654.17x = 8,055,355,791.61 - Step 5: Solve for x
x = 8,055,355,791.61/134,654.17 - Step 6: Final answer
x = 59,822.55
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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.