Finding the Fourth Proportional to 211,705.76, 292,152.80 and 116,214.08
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Solution
The fourth proportional to 211,705.76, 292,152.80 and 116,214.08 is: 160,374.80
Step by Step Solution
- Step 1: Write the proportion equation
211,705.76 : 292,152.80 = 116,214.08 : x - Step 2: Convert to fraction form
211,705.76/292,152.80 = 116,214.08/x - Step 3: Cross multiply
211,705.76x = 292,152.80 × 116,214.08 - Step 4: Simplify right side
211,705.76x = 33,952,268,871.42 - Step 5: Solve for x
x = 33,952,268,871.42/211,705.76 - Step 6: Final answer
x = 160,374.80
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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.