Finding the Fourth Proportional to 291,365.28, 402,108.84 and 164,065.68
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Solution
The fourth proportional to 291,365.28, 402,108.84 and 164,065.68 is: 226,424.58
Step by Step Solution
- Step 1: Write the proportion equation
291,365.28 : 402,108.84 = 164,065.68 : x - Step 2: Convert to fraction form
291,365.28/402,108.84 = 164,065.68/x - Step 3: Cross multiply
291,365.28x = 402,108.84 × 164,065.68 - Step 4: Simplify right side
291,365.28x = 65,972,260,268.61 - Step 5: Solve for x
x = 65,972,260,268.61/291,365.28 - Step 6: Final answer
x = 226,424.58
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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.