Finding the Fourth Proportional to 144,647.39, 216,985.35 and 49,865.09
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Solution
The fourth proportional to 144,647.39, 216,985.35 and 49,865.09 is: 74,802.55
Step by Step Solution
- Step 1: Write the proportion equation
144,647.39 : 216,985.35 = 49,865.09 : x - Step 2: Convert to fraction form
144,647.39/216,985.35 = 49,865.09/x - Step 3: Cross multiply
144,647.39x = 216,985.35 × 49,865.09 - Step 4: Simplify right side
144,647.39x = 10,819,992,828.01 - Step 5: Solve for x
x = 10,819,992,828.01/144,647.39 - Step 6: Final answer
x = 74,802.55
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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.