Finding the Fourth Proportional to 180,335.16, 248,881.21 and 103,856.99
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Solution
The fourth proportional to 180,335.16, 248,881.21 and 103,856.99 is: 143,333.40
Step by Step Solution
- Step 1: Write the proportion equation
180,335.16 : 248,881.21 = 103,856.99 : x - Step 2: Convert to fraction form
180,335.16/248,881.21 = 103,856.99/x - Step 3: Cross multiply
180,335.16x = 248,881.21 × 103,856.99 - Step 4: Simplify right side
180,335.16x = 25,848,051,834.11 - Step 5: Solve for x
x = 25,848,051,834.11/180,335.16 - Step 6: Final answer
x = 143,333.40
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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.