Finding the Fourth Proportional to 135,332.64, 186,756.48 and 74,902.08
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Solution
The fourth proportional to 135,332.64, 186,756.48 and 74,902.08 is: 103,363.45
Step by Step Solution
- Step 1: Write the proportion equation
135,332.64 : 186,756.48 = 74,902.08 : x - Step 2: Convert to fraction form
135,332.64/186,756.48 = 74,902.08/x - Step 3: Cross multiply
135,332.64x = 186,756.48 × 74,902.08 - Step 4: Simplify right side
135,332.64x = 13,988,448,805.48 - Step 5: Solve for x
x = 13,988,448,805.48/135,332.64 - Step 6: Final answer
x = 103,363.45
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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.