Finding the Fourth Proportional to 178,403.40, 246,208.08 and 117,867.84
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Solution
The fourth proportional to 178,403.40, 246,208.08 and 117,867.84 is: 162,665.14
Step by Step Solution
- Step 1: Write the proportion equation
178,403.40 : 246,208.08 = 117,867.84 : x - Step 2: Convert to fraction form
178,403.40/246,208.08 = 117,867.84/x - Step 3: Cross multiply
178,403.40x = 246,208.08 × 117,867.84 - Step 4: Simplify right side
178,403.40x = 29,020,014,580.15 - Step 5: Solve for x
x = 29,020,014,580.15/178,403.40 - Step 6: Final answer
x = 162,665.14
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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.