Finding the Fourth Proportional to 74,964.66, 112,447.00 and 19,560.66
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Solution
The fourth proportional to 74,964.66, 112,447.00 and 19,560.66 is: 29,340.99
Step by Step Solution
- Step 1: Write the proportion equation
74,964.66 : 112,447.00 = 19,560.66 : x - Step 2: Convert to fraction form
74,964.66/112,447.00 = 19,560.66/x - Step 3: Cross multiply
74,964.66x = 112,447.00 × 19,560.66 - Step 4: Simplify right side
74,964.66x = 2,199,537,137.79 - Step 5: Solve for x
x = 2,199,537,137.79/74,964.66 - Step 6: Final answer
x = 29,340.99
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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.