Finding the Fourth Proportional to 348,007.64, 480,284.25 and 195,071.81
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Solution
The fourth proportional to 348,007.64, 480,284.25 and 195,071.81 is: 269,217.99
Step by Step Solution
- Step 1: Write the proportion equation
348,007.64 : 480,284.25 = 195,071.81 : x - Step 2: Convert to fraction form
348,007.64/480,284.25 = 195,071.81/x - Step 3: Cross multiply
348,007.64x = 480,284.25 × 195,071.81 - Step 4: Simplify right side
348,007.64x = 93,689,917,961.99 - Step 5: Solve for x
x = 93,689,917,961.99/348,007.64 - Step 6: Final answer
x = 269,217.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.