Finding the Fourth Proportional to 128,014.08, 192,090.08 and 62,350.08
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Solution
The fourth proportional to 128,014.08, 192,090.08 and 62,350.08 is: 93,558.71
Step by Step Solution
- Step 1: Write the proportion equation
128,014.08 : 192,090.08 = 62,350.08 : x - Step 2: Convert to fraction form
128,014.08/192,090.08 = 62,350.08/x - Step 3: Cross multiply
128,014.08x = 192,090.08 × 62,350.08 - Step 4: Simplify right side
128,014.08x = 11,976,831,855.21 - Step 5: Solve for x
x = 11,976,831,855.21/128,014.08 - Step 6: Final answer
x = 93,558.71
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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.