Finding the Fourth Proportional to 133,724.28, 199,407.84 and 132,525.08
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Solution
The fourth proportional to 133,724.28, 199,407.84 and 132,525.08 is: 197,619.61
Step by Step Solution
- Step 1: Write the proportion equation
133,724.28 : 199,407.84 = 132,525.08 : x - Step 2: Convert to fraction form
133,724.28/199,407.84 = 132,525.08/x - Step 3: Cross multiply
133,724.28x = 199,407.84 × 132,525.08 - Step 4: Simplify right side
133,724.28x = 26,426,539,948.63 - Step 5: Solve for x
x = 26,426,539,948.63/133,724.28 - Step 6: Final answer
x = 197,619.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.