Finding the Fourth Proportional to 180,158.74, 248,643.76 and 103,676.26
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Solution
The fourth proportional to 180,158.74, 248,643.76 and 103,676.26 is: 143,087.45
Step by Step Solution
- Step 1: Write the proportion equation
180,158.74 : 248,643.76 = 103,676.26 : x - Step 2: Convert to fraction form
180,158.74/248,643.76 = 103,676.26/x - Step 3: Cross multiply
180,158.74x = 248,643.76 × 103,676.26 - Step 4: Simplify right side
180,158.74x = 25,778,455,109.14 - Step 5: Solve for x
x = 25,778,455,109.14/180,158.74 - Step 6: Final answer
x = 143,087.45
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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.