Finding the Fourth Proportional to 193,483.36, 266,998.05 and 107,447.80
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Solution
The fourth proportional to 193,483.36, 266,998.05 and 107,447.80 is: 148,272.98
Step by Step Solution
- Step 1: Write the proportion equation
193,483.36 : 266,998.05 = 107,447.80 : x - Step 2: Convert to fraction form
193,483.36/266,998.05 = 107,447.80/x - Step 3: Cross multiply
193,483.36x = 266,998.05 × 107,447.80 - Step 4: Simplify right side
193,483.36x = 28,688,354,414.06 - Step 5: Solve for x
x = 28,688,354,414.06/193,483.36 - Step 6: Final answer
x = 148,272.98
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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.