Finding the Fourth Proportional to 540,258.88, 745,602.15 and 298,588.63
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Solution
The fourth proportional to 540,258.88, 745,602.15 and 298,588.63 is: 412,077.12
Step by Step Solution
- Step 1: Write the proportion equation
540,258.88 : 745,602.15 = 298,588.63 : x - Step 2: Convert to fraction form
540,258.88/745,602.15 = 298,588.63/x - Step 3: Cross multiply
540,258.88x = 745,602.15 × 298,588.63 - Step 4: Simplify right side
540,258.88x = 222,628,324,493.56 - Step 5: Solve for x
x = 222,628,324,493.56/540,258.88 - Step 6: Final answer
x = 412,077.12
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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.