Finding the Fourth Proportional to 243,702.70, 365,398.31 and 117,090.99
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Solution
The fourth proportional to 243,702.70, 365,398.31 and 117,090.99 is: 175,561.66
Step by Step Solution
- Step 1: Write the proportion equation
243,702.70 : 365,398.31 = 117,090.99 : x - Step 2: Convert to fraction form
243,702.70/365,398.31 = 117,090.99/x - Step 3: Cross multiply
243,702.70x = 365,398.31 × 117,090.99 - Step 4: Simplify right side
243,702.70x = 42,784,850,154.95 - Step 5: Solve for x
x = 42,784,850,154.95/243,702.70 - Step 6: Final answer
x = 175,561.66
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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.