Finding the Fourth Proportional to 194,659.68, 291,989.52 and 46,915.68
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Solution
The fourth proportional to 194,659.68, 291,989.52 and 46,915.68 is: 70,373.52
Step by Step Solution
- Step 1: Write the proportion equation
194,659.68 : 291,989.52 = 46,915.68 : x - Step 2: Convert to fraction form
194,659.68/291,989.52 = 46,915.68/x - Step 3: Cross multiply
194,659.68x = 291,989.52 × 46,915.68 - Step 4: Simplify right side
194,659.68x = 13,698,886,883.67 - Step 5: Solve for x
x = 13,698,886,883.67/194,659.68 - Step 6: Final answer
x = 70,373.52
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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.