Finding the Fourth Proportional to 218,948.13, 302,148.36 and 118,346.13
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Solution
The fourth proportional to 218,948.13, 302,148.36 and 118,346.13 is: 163,317.63
Step by Step Solution
- Step 1: Write the proportion equation
218,948.13 : 302,148.36 = 118,346.13 : x - Step 2: Convert to fraction form
218,948.13/302,148.36 = 118,346.13/x - Step 3: Cross multiply
218,948.13x = 302,148.36 × 118,346.13 - Step 4: Simplify right side
218,948.13x = 35,758,089,091.85 - Step 5: Solve for x
x = 35,758,089,091.85/218,948.13 - Step 6: Final answer
x = 163,317.63
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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.