Finding the Fourth Proportional to 353,611.18, 487,993.74 and 192,476.64
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Solution
The fourth proportional to 353,611.18, 487,993.74 and 192,476.64 is: 265,623.38
Step by Step Solution
- Step 1: Write the proportion equation
353,611.18 : 487,993.74 = 192,476.64 : x - Step 2: Convert to fraction form
353,611.18/487,993.74 = 192,476.64/x - Step 3: Cross multiply
353,611.18x = 487,993.74 × 192,476.64 - Step 4: Simplify right side
353,611.18x = 93,927,395,416.23 - Step 5: Solve for x
x = 93,927,395,416.23/353,611.18 - Step 6: Final answer
x = 265,623.38
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1.5x scale
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.