Finding the Fourth Proportional to 284,208.36, 426,312.60 and 144,007.08
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Solution
The fourth proportional to 284,208.36, 426,312.60 and 144,007.08 is: 216,010.65
Step by Step Solution
- Step 1: Write the proportion equation
284,208.36 : 426,312.60 = 144,007.08 : x - Step 2: Convert to fraction form
284,208.36/426,312.60 = 144,007.08/x - Step 3: Cross multiply
284,208.36x = 426,312.60 × 144,007.08 - Step 4: Simplify right side
284,208.36x = 61,392,032,693.21 - Step 5: Solve for x
x = 61,392,032,693.21/284,208.36 - Step 6: Final answer
x = 216,010.65
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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.