Finding the Fourth Proportional to 342,585.69, 472,659.57 and 199,318.05
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Solution
The fourth proportional to 342,585.69, 472,659.57 and 199,318.05 is: 274,995.68
Step by Step Solution
- Step 1: Write the proportion equation
342,585.69 : 472,659.57 = 199,318.05 : x - Step 2: Convert to fraction form
342,585.69/472,659.57 = 199,318.05/x - Step 3: Cross multiply
342,585.69x = 472,659.57 × 199,318.05 - Step 4: Simplify right side
342,585.69x = 94,209,584,959.40 - Step 5: Solve for x
x = 94,209,584,959.40/342,585.69 - Step 6: Final answer
x = 274,995.68
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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.