Finding the Fourth Proportional to 368,179.41, 508,090.62 and 207,033.05
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Solution
The fourth proportional to 368,179.41, 508,090.62 and 207,033.05 is: 285,707.31
Step by Step Solution
- Step 1: Write the proportion equation
368,179.41 : 508,090.62 = 207,033.05 : x - Step 2: Convert to fraction form
368,179.41/508,090.62 = 207,033.05/x - Step 3: Cross multiply
368,179.41x = 508,090.62 × 207,033.05 - Step 4: Simplify right side
368,179.41x = 105,191,548,194.54 - Step 5: Solve for x
x = 105,191,548,194.54/368,179.41 - Step 6: Final answer
x = 285,707.31
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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.