Finding the Fourth Proportional to 368,703.63, 508,791.65 and 207,553.32
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Solution
The fourth proportional to 368,703.63, 508,791.65 and 207,553.32 is: 286,412.68
Step by Step Solution
- Step 1: Write the proportion equation
368,703.63 : 508,791.65 = 207,553.32 : x - Step 2: Convert to fraction form
368,703.63/508,791.65 = 207,553.32/x - Step 3: Cross multiply
368,703.63x = 508,791.65 × 207,553.32 - Step 4: Simplify right side
368,703.63x = 105,601,395,108.01 - Step 5: Solve for x
x = 105,601,395,108.01/368,703.63 - Step 6: Final answer
x = 286,412.68
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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.