Finding the Fourth Proportional to 151,283.08, 208,762.43 and 83,287.15
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Solution
The fourth proportional to 151,283.08, 208,762.43 and 83,287.15 is: 114,931.75
Step by Step Solution
- Step 1: Write the proportion equation
151,283.08 : 208,762.43 = 83,287.15 : x - Step 2: Convert to fraction form
151,283.08/208,762.43 = 83,287.15/x - Step 3: Cross multiply
151,283.08x = 208,762.43 × 83,287.15 - Step 4: Simplify right side
151,283.08x = 17,387,228,943.75 - Step 5: Solve for x
x = 17,387,228,943.75/151,283.08 - Step 6: Final answer
x = 114,931.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.