Finding the Fourth Proportional to 148,588.62, 205,066.44 and 84,914.07
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Solution
The fourth proportional to 148,588.62, 205,066.44 and 84,914.07 is: 117,189.50
Step by Step Solution
- Step 1: Write the proportion equation
148,588.62 : 205,066.44 = 84,914.07 : x - Step 2: Convert to fraction form
148,588.62/205,066.44 = 84,914.07/x - Step 3: Cross multiply
148,588.62x = 205,066.44 × 84,914.07 - Step 4: Simplify right side
148,588.62x = 17,413,026,040.81 - Step 5: Solve for x
x = 17,413,026,040.81/148,588.62 - Step 6: Final answer
x = 117,189.50
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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.