Finding the Fourth Proportional to 157,636.08, 236,448.36 and 46,825.20
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Solution
The fourth proportional to 157,636.08, 236,448.36 and 46,825.20 is: 70,236.09
Step by Step Solution
- Step 1: Write the proportion equation
157,636.08 : 236,448.36 = 46,825.20 : x - Step 2: Convert to fraction form
157,636.08/236,448.36 = 46,825.20/x - Step 3: Cross multiply
157,636.08x = 236,448.36 × 46,825.20 - Step 4: Simplify right side
157,636.08x = 11,071,741,746.67 - Step 5: Solve for x
x = 11,071,741,746.67/157,636.08 - Step 6: Final answer
x = 70,236.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.