Finding the Fourth Proportional to 418,492.60, 577,507.26 and 227,501.08
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Solution
The fourth proportional to 418,492.60, 577,507.26 and 227,501.08 is: 313,944.68
Step by Step Solution
- Step 1: Write the proportion equation
418,492.60 : 577,507.26 = 227,501.08 : x - Step 2: Convert to fraction form
418,492.60/577,507.26 = 227,501.08/x - Step 3: Cross multiply
418,492.60x = 577,507.26 × 227,501.08 - Step 4: Simplify right side
418,492.60x = 131,383,525,357.84 - Step 5: Solve for x
x = 131,383,525,357.84/418,492.60 - Step 6: Final answer
x = 313,944.68
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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.