Finding the Fourth Proportional to 745,369.76, 1,117,897.50 and 239,975.94
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Solution
The fourth proportional to 745,369.76, 1,117,897.50 and 239,975.94 is: 359,913.32
Step by Step Solution
- Step 1: Write the proportion equation
745,369.76 : 1,117,897.50 = 239,975.94 : x - Step 2: Convert to fraction form
745,369.76/1,117,897.50 = 239,975.94/x - Step 3: Cross multiply
745,369.76x = 1,117,897.50 × 239,975.94 - Step 4: Simplify right side
745,369.76x = 268,268,503,386.15 - Step 5: Solve for x
x = 268,268,503,386.15/745,369.76 - Step 6: Final answer
x = 359,913.32
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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.