Finding the Fourth Proportional to 163,805.88, 245,725.60 and 62,688.99
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Solution
The fourth proportional to 163,805.88, 245,725.60 and 62,688.99 is: 94,039.91
Step by Step Solution
- Step 1: Write the proportion equation
163,805.88 : 245,725.60 = 62,688.99 : x - Step 2: Convert to fraction form
163,805.88/245,725.60 = 62,688.99/x - Step 3: Cross multiply
163,805.88x = 245,725.60 × 62,688.99 - Step 4: Simplify right side
163,805.88x = 15,404,289,681.14 - Step 5: Solve for x
x = 15,404,289,681.14/163,805.88 - Step 6: Final answer
x = 94,039.91
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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.