Finding the Fourth Proportional to 145,997.07, 201,490.10 and 88,623.19
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Solution
The fourth proportional to 145,997.07, 201,490.10 and 88,623.19 is: 122,308.59
Step by Step Solution
- Step 1: Write the proportion equation
145,997.07 : 201,490.10 = 88,623.19 : x - Step 2: Convert to fraction form
145,997.07/201,490.10 = 88,623.19/x - Step 3: Cross multiply
145,997.07x = 201,490.10 × 88,623.19 - Step 4: Simplify right side
145,997.07x = 17,856,695,415.42 - Step 5: Solve for x
x = 17,856,695,415.42/145,997.07 - Step 6: Final answer
x = 122,308.59
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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.