Finding the Fourth Proportional to 193,316.24, 266,762.70 and 107,279.84
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Solution
The fourth proportional to 193,316.24, 266,762.70 and 107,279.84 is: 148,038.57
Step by Step Solution
- Step 1: Write the proportion equation
193,316.24 : 266,762.70 = 107,279.84 : x - Step 2: Convert to fraction form
193,316.24/266,762.70 = 107,279.84/x - Step 3: Cross multiply
193,316.24x = 266,762.70 × 107,279.84 - Step 4: Simplify right side
193,316.24x = 28,618,259,773.97 - Step 5: Solve for x
x = 28,618,259,773.97/193,316.24 - Step 6: Final answer
x = 148,038.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.