Finding the Fourth Proportional to 194,603.18, 292,014.11 and 105,862.88
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Solution
The fourth proportional to 194,603.18, 292,014.11 and 105,862.88 is: 158,853.81
Step by Step Solution
- Step 1: Write the proportion equation
194,603.18 : 292,014.11 = 105,862.88 : x - Step 2: Convert to fraction form
194,603.18/292,014.11 = 105,862.88/x - Step 3: Cross multiply
194,603.18x = 292,014.11 × 105,862.88 - Step 4: Simplify right side
194,603.18x = 30,913,455,679.93 - Step 5: Solve for x
x = 30,913,455,679.93/194,603.18 - Step 6: Final answer
x = 158,853.81
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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.