Finding the Fourth Proportional to 311,875.52, 467,870.99 and 98,697.08
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Solution
The fourth proportional to 311,875.52, 467,870.99 and 98,697.08 is: 148,063.89
Step by Step Solution
- Step 1: Write the proportion equation
311,875.52 : 467,870.99 = 98,697.08 : x - Step 2: Convert to fraction form
311,875.52/467,870.99 = 98,697.08/x - Step 3: Cross multiply
311,875.52x = 467,870.99 × 98,697.08 - Step 4: Simplify right side
311,875.52x = 46,177,501,205.90 - Step 5: Solve for x
x = 46,177,501,205.90/311,875.52 - Step 6: Final answer
x = 148,063.89
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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.