Finding the Fourth Proportional to 368,903.62, 509,111.76 and 205,585.48
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Solution
The fourth proportional to 368,903.62, 509,111.76 and 205,585.48 is: 283,721.76
Step by Step Solution
- Step 1: Write the proportion equation
368,903.62 : 509,111.76 = 205,585.48 : x - Step 2: Convert to fraction form
368,903.62/509,111.76 = 205,585.48/x - Step 3: Cross multiply
368,903.62x = 509,111.76 × 205,585.48 - Step 4: Simplify right side
368,903.62x = 104,665,985,553.25 - Step 5: Solve for x
x = 104,665,985,553.25/368,903.62 - Step 6: Final answer
x = 283,721.76
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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.