Finding the Fourth Proportional to 310,554.23, 428,512.35 and 174,570.08
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Solution
The fourth proportional to 310,554.23, 428,512.35 and 174,570.08 is: 240,877.20
Step by Step Solution
- Step 1: Write the proportion equation
310,554.23 : 428,512.35 = 174,570.08 : x - Step 2: Convert to fraction form
310,554.23/428,512.35 = 174,570.08/x - Step 3: Cross multiply
310,554.23x = 428,512.35 × 174,570.08 - Step 4: Simplify right side
310,554.23x = 74,805,433,077.93 - Step 5: Solve for x
x = 74,805,433,077.93/310,554.23 - Step 6: Final answer
x = 240,877.20
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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.