Finding the Fourth Proportional to 368,436.19, 508,438.35 and 205,090.11
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Solution
The fourth proportional to 368,436.19, 508,438.35 and 205,090.11 is: 283,022.35
Step by Step Solution
- Step 1: Write the proportion equation
368,436.19 : 508,438.35 = 205,090.11 : x - Step 2: Convert to fraction form
368,436.19/508,438.35 = 205,090.11/x - Step 3: Cross multiply
368,436.19x = 508,438.35 × 205,090.11 - Step 4: Simplify right side
368,436.19x = 104,275,675,223.08 - Step 5: Solve for x
x = 104,275,675,223.08/368,436.19 - Step 6: Final answer
x = 283,022.35
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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.