Finding the Fourth Proportional to 121,567.68, 182,283.12 and 83,661.48
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Solution
The fourth proportional to 121,567.68, 182,283.12 and 83,661.48 is: 125,445.15
Step by Step Solution
- Step 1: Write the proportion equation
121,567.68 : 182,283.12 = 83,661.48 : x - Step 2: Convert to fraction form
121,567.68/182,283.12 = 83,661.48/x - Step 3: Cross multiply
121,567.68x = 182,283.12 × 83,661.48 - Step 4: Simplify right side
121,567.68x = 15,250,075,598.22 - Step 5: Solve for x
x = 15,250,075,598.22/121,567.68 - Step 6: Final answer
x = 125,445.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.