Finding the Fourth Proportional to 134,851.70, 202,277.55 and 72,643.70
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Solution
The fourth proportional to 134,851.70, 202,277.55 and 72,643.70 is: 108,965.55
Step by Step Solution
- Step 1: Write the proportion equation
134,851.70 : 202,277.55 = 72,643.70 : x - Step 2: Convert to fraction form
134,851.70/202,277.55 = 72,643.70/x - Step 3: Cross multiply
134,851.70x = 202,277.55 × 72,643.70 - Step 4: Simplify right side
134,851.70x = 14,694,189,658.94 - Step 5: Solve for x
x = 14,694,189,658.94/134,851.70 - Step 6: Final answer
x = 108,965.55
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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.