Finding the Fourth Proportional to 622,513.68, 933,901.74 and 201,756.78
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Solution
The fourth proportional to 622,513.68, 933,901.74 and 201,756.78 is: 302,677.70
Step by Step Solution
- Step 1: Write the proportion equation
622,513.68 : 933,901.74 = 201,756.78 : x - Step 2: Convert to fraction form
622,513.68/933,901.74 = 201,756.78/x - Step 3: Cross multiply
622,513.68x = 933,901.74 × 201,756.78 - Step 4: Simplify right side
622,513.68x = 188,421,007,898.80 - Step 5: Solve for x
x = 188,421,007,898.80/622,513.68 - Step 6: Final answer
x = 302,677.70
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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.