Finding the Fourth Proportional to 498,758.63, 748,243.08 and 161,773.07
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Solution
The fourth proportional to 498,758.63, 748,243.08 and 161,773.07 is: 242,693.70
Step by Step Solution
- Step 1: Write the proportion equation
498,758.63 : 748,243.08 = 161,773.07 : x - Step 2: Convert to fraction form
498,758.63/748,243.08 = 161,773.07/x - Step 3: Cross multiply
498,758.63x = 748,243.08 × 161,773.07 - Step 4: Simplify right side
498,758.63x = 121,045,575,607.78 - Step 5: Solve for x
x = 121,045,575,607.78/498,758.63 - Step 6: Final answer
x = 242,693.70
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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.