Finding the Fourth Proportional to 163,237.56, 244,543.68 and 78,748.08
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Solution
The fourth proportional to 163,237.56, 244,543.68 and 78,748.08 is: 117,971.29
Step by Step Solution
- Step 1: Write the proportion equation
163,237.56 : 244,543.68 = 78,748.08 : x - Step 2: Convert to fraction form
163,237.56/244,543.68 = 78,748.08/x - Step 3: Cross multiply
163,237.56x = 244,543.68 × 78,748.08 - Step 4: Simplify right side
163,237.56x = 19,257,345,276.13 - Step 5: Solve for x
x = 19,257,345,276.13/163,237.56 - Step 6: Final answer
x = 117,971.29
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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.