Finding the Fourth Proportional to 219,130.05, 328,696.05 and 69,371.09
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Solution
The fourth proportional to 219,130.05, 328,696.05 and 69,371.09 is: 104,056.94
Step by Step Solution
- Step 1: Write the proportion equation
219,130.05 : 328,696.05 = 69,371.09 : x - Step 2: Convert to fraction form
219,130.05/328,696.05 = 69,371.09/x - Step 3: Cross multiply
219,130.05x = 328,696.05 × 69,371.09 - Step 4: Simplify right side
219,130.05x = 22,802,001,623.71 - Step 5: Solve for x
x = 22,802,001,623.71/219,130.05 - Step 6: Final answer
x = 104,056.94
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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.