Finding the Fourth Proportional to 360,312.23, 497,222.12 and 199,163.13
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Solution
The fourth proportional to 360,312.23, 497,222.12 and 199,163.13 is: 274,840.28
Step by Step Solution
- Step 1: Write the proportion equation
360,312.23 : 497,222.12 = 199,163.13 : x - Step 2: Convert to fraction form
360,312.23/497,222.12 = 199,163.13/x - Step 3: Cross multiply
360,312.23x = 497,222.12 × 199,163.13 - Step 4: Simplify right side
360,312.23x = 99,028,313,724.44 - Step 5: Solve for x
x = 99,028,313,724.44/360,312.23 - Step 6: Final answer
x = 274,840.28
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Double scale
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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.