Finding the Fourth Proportional to 380,525.91, 525,129.62 and 229,593.75
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Solution
The fourth proportional to 380,525.91, 525,129.62 and 229,593.75 is: 316,841.70
Step by Step Solution
- Step 1: Write the proportion equation
380,525.91 : 525,129.62 = 229,593.75 : x - Step 2: Convert to fraction form
380,525.91/525,129.62 = 229,593.75/x - Step 3: Cross multiply
380,525.91x = 525,129.62 × 229,593.75 - Step 4: Simplify right side
380,525.91x = 120,566,477,543.91 - Step 5: Solve for x
x = 120,566,477,543.91/380,525.91 - Step 6: Final answer
x = 316,841.70
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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.