Finding the Fourth Proportional to 319,175.58, 440,462.19 and 175,938.02
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Solution
The fourth proportional to 319,175.58, 440,462.19 and 175,938.02 is: 242,794.40
Step by Step Solution
- Step 1: Write the proportion equation
319,175.58 : 440,462.19 = 175,938.02 : x - Step 2: Convert to fraction form
319,175.58/440,462.19 = 175,938.02/x - Step 3: Cross multiply
319,175.58x = 440,462.19 × 175,938.02 - Step 4: Simplify right side
319,175.58x = 77,494,043,391.15 - Step 5: Solve for x
x = 77,494,043,391.15/319,175.58 - Step 6: Final answer
x = 242,794.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.