Finding the Fourth Proportional to 312,149.93, 468,283.95 and 98,971.54
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Solution
The fourth proportional to 312,149.93, 468,283.95 and 98,971.54 is: 148,476.03
Step by Step Solution
- Step 1: Write the proportion equation
312,149.93 : 468,283.95 = 98,971.54 : x - Step 2: Convert to fraction form
312,149.93/468,283.95 = 98,971.54/x - Step 3: Cross multiply
312,149.93x = 468,283.95 × 98,971.54 - Step 4: Simplify right side
312,149.93x = 46,346,782,518.07 - Step 5: Solve for x
x = 46,346,782,518.07/312,149.93 - Step 6: Final answer
x = 148,476.03
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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.