Finding the Fourth Proportional to 98,248.25, 135,582.53 and 53,536.25
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Solution
The fourth proportional to 98,248.25, 135,582.53 and 53,536.25 is: 73,879.99
Step by Step Solution
- Step 1: Write the proportion equation
98,248.25 : 135,582.53 = 53,536.25 : x - Step 2: Convert to fraction form
98,248.25/135,582.53 = 53,536.25/x - Step 3: Cross multiply
98,248.25x = 135,582.53 × 53,536.25 - Step 4: Simplify right side
98,248.25x = 7,258,580,292.99 - Step 5: Solve for x
x = 7,258,580,292.99/98,248.25 - Step 6: Final answer
x = 73,879.99
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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.