Finding the Fourth Proportional to 206,875.81, 310,338.02 and 73,774.99
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Solution
The fourth proportional to 206,875.81, 310,338.02 and 73,774.99 is: 110,671.15
Step by Step Solution
- Step 1: Write the proportion equation
206,875.81 : 310,338.02 = 73,774.99 : x - Step 2: Convert to fraction form
206,875.81/310,338.02 = 73,774.99/x - Step 3: Cross multiply
206,875.81x = 310,338.02 × 73,774.99 - Step 4: Simplify right side
206,875.81x = 22,895,184,322.12 - Step 5: Solve for x
x = 22,895,184,322.12/206,875.81 - Step 6: Final answer
x = 110,671.15
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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.