Finding the Fourth Proportional to 207,360.24, 286,243.80 and 140,331.12
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Solution
The fourth proportional to 207,360.24, 286,243.80 and 140,331.12 is: 193,715.60
Step by Step Solution
- Step 1: Write the proportion equation
207,360.24 : 286,243.80 = 140,331.12 : x - Step 2: Convert to fraction form
207,360.24/286,243.80 = 140,331.12/x - Step 3: Cross multiply
207,360.24x = 286,243.80 × 140,331.12 - Step 4: Simplify right side
207,360.24x = 40,168,913,047.06 - Step 5: Solve for x
x = 40,168,913,047.06/207,360.24 - Step 6: Final answer
x = 193,715.60
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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.