Finding the Fourth Proportional to 102,407.08, 153,625.98 and 28,540.84
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Solution
The fourth proportional to 102,407.08, 153,625.98 and 28,540.84 is: 42,815.54
Step by Step Solution
- Step 1: Write the proportion equation
102,407.08 : 153,625.98 = 28,540.84 : x - Step 2: Convert to fraction form
102,407.08/153,625.98 = 28,540.84/x - Step 3: Cross multiply
102,407.08x = 153,625.98 × 28,540.84 - Step 4: Simplify right side
102,407.08x = 4,384,614,515.02 - Step 5: Solve for x
x = 4,384,614,515.02/102,407.08 - Step 6: Final answer
x = 42,815.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.