Finding the Fourth Proportional to 745,802.14, 1,117,954.12 and 239,991.36
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Solution
The fourth proportional to 745,802.14, 1,117,954.12 and 239,991.36 is: 359,745.99
Step by Step Solution
- Step 1: Write the proportion equation
745,802.14 : 1,117,954.12 = 239,991.36 : x - Step 2: Convert to fraction form
745,802.14/1,117,954.12 = 239,991.36/x - Step 3: Cross multiply
745,802.14x = 1,117,954.12 × 239,991.36 - Step 4: Simplify right side
745,802.14x = 268,299,329,676.40 - Step 5: Solve for x
x = 268,299,329,676.40/745,802.14 - Step 6: Final answer
x = 359,745.99
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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.