Finding the Fourth Proportional to 218,719.62, 301,833.08 and 118,117.62
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Solution
The fourth proportional to 218,719.62, 301,833.08 and 118,117.62 is: 163,002.32
Step by Step Solution
- Step 1: Write the proportion equation
218,719.62 : 301,833.08 = 118,117.62 : x - Step 2: Convert to fraction form
218,719.62/301,833.08 = 118,117.62/x - Step 3: Cross multiply
218,719.62x = 301,833.08 × 118,117.62 - Step 4: Simplify right side
218,719.62x = 35,651,804,714.73 - Step 5: Solve for x
x = 35,651,804,714.73/218,719.62 - Step 6: Final answer
x = 163,002.32
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1.5x scale
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.