Finding the Fourth Proportional to 118,305.04, 177,419.48 and 39,398.08
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Solution
The fourth proportional to 118,305.04, 177,419.48 and 39,398.08 is: 59,084.44
Step by Step Solution
- Step 1: Write the proportion equation
118,305.04 : 177,419.48 = 39,398.08 : x - Step 2: Convert to fraction form
118,305.04/177,419.48 = 39,398.08/x - Step 3: Cross multiply
118,305.04x = 177,419.48 × 39,398.08 - Step 4: Simplify right side
118,305.04x = 6,989,986,866.60 - Step 5: Solve for x
x = 6,989,986,866.60/118,305.04 - Step 6: Final answer
x = 59,084.44
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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.