Finding the Fourth Proportional to 158,973.26, 219,393.35 and 91,012.23
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Solution
The fourth proportional to 158,973.26, 219,393.35 and 91,012.23 is: 125,602.75
Step by Step Solution
- Step 1: Write the proportion equation
158,973.26 : 219,393.35 = 91,012.23 : x - Step 2: Convert to fraction form
158,973.26/219,393.35 = 91,012.23/x - Step 3: Cross multiply
158,973.26x = 219,393.35 × 91,012.23 - Step 4: Simplify right side
158,973.26x = 19,967,478,405.96 - Step 5: Solve for x
x = 19,967,478,405.96/158,973.26 - Step 6: Final answer
x = 125,602.75
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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.