Finding the Fourth Proportional to 135,483.74, 203,593.30 and 72,347.78
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Solution
The fourth proportional to 135,483.74, 203,593.30 and 72,347.78 is: 108,718.02
Step by Step Solution
- Step 1: Write the proportion equation
135,483.74 : 203,593.30 = 72,347.78 : x - Step 2: Convert to fraction form
135,483.74/203,593.30 = 72,347.78/x - Step 3: Cross multiply
135,483.74x = 203,593.30 × 72,347.78 - Step 4: Simplify right side
135,483.74x = 14,729,523,605.99 - Step 5: Solve for x
x = 14,729,523,605.99/135,483.74 - Step 6: Final answer
x = 108,718.02
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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.