Finding the Fourth Proportional to 117,812.94, 176,681.97 and 38,912.46
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Solution
The fourth proportional to 117,812.94, 176,681.97 and 38,912.46 is: 58,356.32
Step by Step Solution
- Step 1: Write the proportion equation
117,812.94 : 176,681.97 = 38,912.46 : x - Step 2: Convert to fraction form
117,812.94/176,681.97 = 38,912.46/x - Step 3: Cross multiply
117,812.94x = 176,681.97 × 38,912.46 - Step 4: Simplify right side
117,812.94x = 6,875,130,090.35 - Step 5: Solve for x
x = 6,875,130,090.35/117,812.94 - Step 6: Final answer
x = 58,356.32
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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.