Finding the Fourth Proportional to 692,410.37, 1,038,668.09 and 186,963.99
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Solution
The fourth proportional to 692,410.37, 1,038,668.09 and 186,963.99 is: 280,460.17
Step by Step Solution
- Step 1: Write the proportion equation
692,410.37 : 1,038,668.09 = 186,963.99 : x - Step 2: Convert to fraction form
692,410.37/1,038,668.09 = 186,963.99/x - Step 3: Cross multiply
692,410.37x = 1,038,668.09 × 186,963.99 - Step 4: Simplify right side
692,410.37x = 194,193,530,392.08 - Step 5: Solve for x
x = 194,193,530,392.08/692,410.37 - Step 6: Final answer
x = 280,460.17
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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.