Finding the Fourth Proportional to 223,045.60, 307,803.22 and 121,070.99
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Solution
The fourth proportional to 223,045.60, 307,803.22 and 121,070.99 is: 167,078.13
Step by Step Solution
- Step 1: Write the proportion equation
223,045.60 : 307,803.22 = 121,070.99 : x - Step 2: Convert to fraction form
223,045.60/307,803.22 = 121,070.99/x - Step 3: Cross multiply
223,045.60x = 307,803.22 × 121,070.99 - Step 4: Simplify right side
223,045.60x = 37,266,040,570.59 - Step 5: Solve for x
x = 37,266,040,570.59/223,045.60 - Step 6: Final answer
x = 167,078.13
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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.