Finding the Fourth Proportional to 145,972.49, 201,448.01 and 92,237.90
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Solution
The fourth proportional to 145,972.49, 201,448.01 and 92,237.90 is: 127,292.08
Step by Step Solution
- Step 1: Write the proportion equation
145,972.49 : 201,448.01 = 92,237.90 : x - Step 2: Convert to fraction form
145,972.49/201,448.01 = 92,237.90/x - Step 3: Cross multiply
145,972.49x = 201,448.01 × 92,237.90 - Step 4: Simplify right side
145,972.49x = 18,581,140,624.93 - Step 5: Solve for x
x = 18,581,140,624.93/145,972.49 - Step 6: Final answer
x = 127,292.08
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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.