Finding the Fourth Proportional to 245,492.24, 338,776.08 and 138,062.24
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Solution
The fourth proportional to 245,492.24, 338,776.08 and 138,062.24 is: 190,524.09
Step by Step Solution
- Step 1: Write the proportion equation
245,492.24 : 338,776.08 = 138,062.24 : x - Step 2: Convert to fraction form
245,492.24/338,776.08 = 138,062.24/x - Step 3: Cross multiply
245,492.24x = 338,776.08 × 138,062.24 - Step 4: Simplify right side
245,492.24x = 46,772,184,463.22 - Step 5: Solve for x
x = 46,772,184,463.22/245,492.24 - Step 6: Final answer
x = 190,524.09
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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.