Finding the Fourth Proportional to 216,468.84, 298,725.12 and 120,973.08
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Solution
The fourth proportional to 216,468.84, 298,725.12 and 120,973.08 is: 166,941.80
Step by Step Solution
- Step 1: Write the proportion equation
216,468.84 : 298,725.12 = 120,973.08 : x - Step 2: Convert to fraction form
216,468.84/298,725.12 = 120,973.08/x - Step 3: Cross multiply
216,468.84x = 298,725.12 × 120,973.08 - Step 4: Simplify right side
216,468.84x = 36,137,697,839.77 - Step 5: Solve for x
x = 36,137,697,839.77/216,468.84 - Step 6: Final answer
x = 166,941.80
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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.