Finding the Fourth Proportional to 569,318.18, 785,662.18 and 311,195.48
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Solution
The fourth proportional to 569,318.18, 785,662.18 and 311,195.48 is: 429,451.45
Step by Step Solution
- Step 1: Write the proportion equation
569,318.18 : 785,662.18 = 311,195.48 : x - Step 2: Convert to fraction form
569,318.18/785,662.18 = 311,195.48/x - Step 3: Cross multiply
569,318.18x = 785,662.18 × 311,195.48 - Step 4: Simplify right side
569,318.18x = 244,494,519,222.95 - Step 5: Solve for x
x = 244,494,519,222.95/569,318.18 - Step 6: Final answer
x = 429,451.45
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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.