Finding the Fourth Proportional to 242,641.83, 334,750.26 and 162,121.95
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Solution
The fourth proportional to 242,641.83, 334,750.26 and 162,121.95 is: 223,664.51
Step by Step Solution
- Step 1: Write the proportion equation
242,641.83 : 334,750.26 = 162,121.95 : x - Step 2: Convert to fraction form
242,641.83/334,750.26 = 162,121.95/x - Step 3: Cross multiply
242,641.83x = 334,750.26 × 162,121.95 - Step 4: Simplify right side
242,641.83x = 54,270,364,914.21 - Step 5: Solve for x
x = 54,270,364,914.21/242,641.83 - Step 6: Final answer
x = 223,664.51
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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.