Finding the Fourth Proportional to 606,660.40, 909,990.60 and 207,241.30
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Solution
The fourth proportional to 606,660.40, 909,990.60 and 207,241.30 is: 310,861.95
Step by Step Solution
- Step 1: Write the proportion equation
606,660.40 : 909,990.60 = 207,241.30 : x - Step 2: Convert to fraction form
606,660.40/909,990.60 = 207,241.30/x - Step 3: Cross multiply
606,660.40x = 909,990.60 × 207,241.30 - Step 4: Simplify right side
606,660.40x = 188,587,634,931.78 - Step 5: Solve for x
x = 188,587,634,931.78/606,660.40 - Step 6: Final answer
x = 310,861.95
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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.