Finding the Fourth Proportional to 498,758.08, 748,242.34 and 161,772.56
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Solution
The fourth proportional to 498,758.08, 748,242.34 and 161,772.56 is: 242,692.97
Step by Step Solution
- Step 1: Write the proportion equation
498,758.08 : 748,242.34 = 161,772.56 : x - Step 2: Convert to fraction form
498,758.08/748,242.34 = 161,772.56/x - Step 3: Cross multiply
498,758.08x = 748,242.34 × 161,772.56 - Step 4: Simplify right side
498,758.08x = 121,045,078,842.19 - Step 5: Solve for x
x = 121,045,078,842.19/498,758.08 - Step 6: Final answer
x = 242,692.97
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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.