Finding the Fourth Proportional to 212,303.84, 318,532.37 and 107,043.53
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Solution
The fourth proportional to 212,303.84, 318,532.37 and 107,043.53 is: 160,603.92
Step by Step Solution
- Step 1: Write the proportion equation
212,303.84 : 318,532.37 = 107,043.53 : x - Step 2: Convert to fraction form
212,303.84/318,532.37 = 107,043.53/x - Step 3: Cross multiply
212,303.84x = 318,532.37 × 107,043.53 - Step 4: Simplify right side
212,303.84x = 34,096,827,176.19 - Step 5: Solve for x
x = 34,096,827,176.19/212,303.84 - Step 6: Final answer
x = 160,603.92
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1.5x scale
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.