Finding the Fourth Proportional to 269,430.71, 371,805.86 and 148,577.09
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Solution
The fourth proportional to 269,430.71, 371,805.86 and 148,577.09 is: 205,031.68
Step by Step Solution
- Step 1: Write the proportion equation
269,430.71 : 371,805.86 = 148,577.09 : x - Step 2: Convert to fraction form
269,430.71/371,805.86 = 148,577.09/x - Step 3: Cross multiply
269,430.71x = 371,805.86 × 148,577.09 - Step 4: Simplify right side
269,430.71x = 55,241,831,236.16 - Step 5: Solve for x
x = 55,241,831,236.16/269,430.71 - Step 6: Final answer
x = 205,031.68
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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.