Finding the Fourth Proportional to 498,246.56, 747,339.12 and 161,279.84
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Solution
The fourth proportional to 498,246.56, 747,339.12 and 161,279.84 is: 241,909.82
Step by Step Solution
- Step 1: Write the proportion equation
498,246.56 : 747,339.12 = 161,279.84 : x - Step 2: Convert to fraction form
498,246.56/747,339.12 = 161,279.84/x - Step 3: Cross multiply
498,246.56x = 747,339.12 × 161,279.84 - Step 4: Simplify right side
498,246.56x = 120,530,733,699.34 - Step 5: Solve for x
x = 120,530,733,699.34/498,246.56 - Step 6: Final answer
x = 241,909.82
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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.