Finding the Fourth Proportional to 133,088.81, 199,467.08 and 66,547.97
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Solution
The fourth proportional to 133,088.81, 199,467.08 and 66,547.97 is: 99,738.88
Step by Step Solution
- Step 1: Write the proportion equation
133,088.81 : 199,467.08 = 66,547.97 : x - Step 2: Convert to fraction form
133,088.81/199,467.08 = 66,547.97/x - Step 3: Cross multiply
133,088.81x = 199,467.08 × 66,547.97 - Step 4: Simplify right side
133,088.81x = 13,274,127,925.75 - Step 5: Solve for x
x = 13,274,127,925.75/133,088.81 - Step 6: Final answer
x = 99,738.88
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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.