Finding the Fourth Proportional to 407,820.18, 562,664.84 and 235,675.42
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Solution
The fourth proportional to 407,820.18, 562,664.84 and 235,675.42 is: 325,158.68
Step by Step Solution
- Step 1: Write the proportion equation
407,820.18 : 562,664.84 = 235,675.42 : x - Step 2: Convert to fraction form
407,820.18/562,664.84 = 235,675.42/x - Step 3: Cross multiply
407,820.18x = 562,664.84 × 235,675.42 - Step 4: Simplify right side
407,820.18x = 132,606,272,486.23 - Step 5: Solve for x
x = 132,606,272,486.23/407,820.18 - Step 6: Final answer
x = 325,158.68
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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.