Finding the Fourth Proportional to 112,465.95, 155,207.19 and 61,482.08
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Solution
The fourth proportional to 112,465.95, 155,207.19 and 61,482.08 is: 84,847.55
Step by Step Solution
- Step 1: Write the proportion equation
112,465.95 : 155,207.19 = 61,482.08 : x - Step 2: Convert to fraction form
112,465.95/155,207.19 = 61,482.08/x - Step 3: Cross multiply
112,465.95x = 155,207.19 × 61,482.08 - Step 4: Simplify right side
112,465.95x = 9,542,460,096.12 - Step 5: Solve for x
x = 9,542,460,096.12/112,465.95 - Step 6: Final answer
x = 84,847.55
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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.