Finding the Fourth Proportional to 649,207.70, 973,811.55 and 205,975.70
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Solution
The fourth proportional to 649,207.70, 973,811.55 and 205,975.70 is: 308,963.55
Step by Step Solution
- Step 1: Write the proportion equation
649,207.70 : 973,811.55 = 205,975.70 : x - Step 2: Convert to fraction form
649,207.70/973,811.55 = 205,975.70/x - Step 3: Cross multiply
649,207.70x = 973,811.55 × 205,975.70 - Step 4: Simplify right side
649,207.70x = 200,581,515,679.34 - Step 5: Solve for x
x = 200,581,515,679.34/649,207.70 - Step 6: Final answer
x = 308,963.55
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1.5x scale
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.