Finding the Fourth Proportional to 292,725.23, 403,955.55 and 165,398.09
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Solution
The fourth proportional to 292,725.23, 403,955.55 and 165,398.09 is: 228,246.38
Step by Step Solution
- Step 1: Write the proportion equation
292,725.23 : 403,955.55 = 165,398.09 : x - Step 2: Convert to fraction form
292,725.23/403,955.55 = 165,398.09/x - Step 3: Cross multiply
292,725.23x = 403,955.55 × 165,398.09 - Step 4: Simplify right side
292,725.23x = 66,813,474,395.12 - Step 5: Solve for x
x = 66,813,474,395.12/292,725.23 - Step 6: Final answer
x = 228,246.38
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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.