Finding the Fourth Proportional to 148,747.61, 205,203.03 and 88,283.95
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Solution
The fourth proportional to 148,747.61, 205,203.03 and 88,283.95 is: 121,791.09
Step by Step Solution
- Step 1: Write the proportion equation
148,747.61 : 205,203.03 = 88,283.95 : x - Step 2: Convert to fraction form
148,747.61/205,203.03 = 88,283.95/x - Step 3: Cross multiply
148,747.61x = 205,203.03 × 88,283.95 - Step 4: Simplify right side
148,747.61x = 18,116,134,040.37 - Step 5: Solve for x
x = 18,116,134,040.37/148,747.61 - Step 6: Final answer
x = 121,791.09
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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.