Finding the Fourth Proportional to 148,792.25, 205,345.97 and 84,272.96
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Solution
The fourth proportional to 148,792.25, 205,345.97 and 84,272.96 is: 116,303.86
Step by Step Solution
- Step 1: Write the proportion equation
148,792.25 : 205,345.97 = 84,272.96 : x - Step 2: Convert to fraction form
148,792.25/205,345.97 = 84,272.96/x - Step 3: Cross multiply
148,792.25x = 205,345.97 × 84,272.96 - Step 4: Simplify right side
148,792.25x = 17,305,112,715.97 - Step 5: Solve for x
x = 17,305,112,715.97/148,792.25 - Step 6: Final answer
x = 116,303.86
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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.