Finding the Fourth Proportional to 218,841.48, 302,001.18 and 118,239.48
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Solution
The fourth proportional to 218,841.48, 302,001.18 and 118,239.48 is: 163,170.45
Step by Step Solution
- Step 1: Write the proportion equation
218,841.48 : 302,001.18 = 118,239.48 : x - Step 2: Convert to fraction form
218,841.48/302,001.18 = 118,239.48/x - Step 3: Cross multiply
218,841.48x = 302,001.18 × 118,239.48 - Step 4: Simplify right side
218,841.48x = 35,708,462,482.59 - Step 5: Solve for x
x = 35,708,462,482.59/218,841.48 - Step 6: Final answer
x = 163,170.45
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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.