Finding the Fourth Proportional to 509,703.11, 764,646.86 and 210,016.99
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Solution
The fourth proportional to 509,703.11, 764,646.86 and 210,016.99 is: 315,063.47
Step by Step Solution
- Step 1: Write the proportion equation
509,703.11 : 764,646.86 = 210,016.99 : x - Step 2: Convert to fraction form
509,703.11/764,646.86 = 210,016.99/x - Step 3: Cross multiply
509,703.11x = 764,646.86 × 210,016.99 - Step 4: Simplify right side
509,703.11x = 160,588,831,950.15 - Step 5: Solve for x
x = 160,588,831,950.15/509,703.11 - Step 6: Final answer
x = 315,063.47
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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.