Finding the Fourth Proportional to 144,280.98, 199,090.58 and 79,746.26
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Solution
The fourth proportional to 144,280.98, 199,090.58 and 79,746.26 is: 110,040.34
Step by Step Solution
- Step 1: Write the proportion equation
144,280.98 : 199,090.58 = 79,746.26 : x - Step 2: Convert to fraction form
144,280.98/199,090.58 = 79,746.26/x - Step 3: Cross multiply
144,280.98x = 199,090.58 × 79,746.26 - Step 4: Simplify right side
144,280.98x = 15,876,727,762.05 - Step 5: Solve for x
x = 15,876,727,762.05/144,280.98 - Step 6: Final answer
x = 110,040.34
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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.