Finding the Fourth Proportional to 352,840.62, 487,121.85 and 232,332.06
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Solution
The fourth proportional to 352,840.62, 487,121.85 and 232,332.06 is: 320,751.12
Step by Step Solution
- Step 1: Write the proportion equation
352,840.62 : 487,121.85 = 232,332.06 : x - Step 2: Convert to fraction form
352,840.62/487,121.85 = 232,332.06/x - Step 3: Cross multiply
352,840.62x = 487,121.85 × 232,332.06 - Step 4: Simplify right side
352,840.62x = 113,174,022,881.51 - Step 5: Solve for x
x = 113,174,022,881.51/352,840.62 - Step 6: Final answer
x = 320,751.12
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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.