Finding the Fourth Proportional to 418,350.78, 577,328.54 and 227,364.18
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Solution
The fourth proportional to 418,350.78, 577,328.54 and 227,364.18 is: 313,764.99
Step by Step Solution
- Step 1: Write the proportion equation
418,350.78 : 577,328.54 = 227,364.18 : x - Step 2: Convert to fraction form
418,350.78/577,328.54 = 227,364.18/x - Step 3: Cross multiply
418,350.78x = 577,328.54 × 227,364.18 - Step 4: Simplify right side
418,350.78x = 131,263,827,769.47 - Step 5: Solve for x
x = 131,263,827,769.47/418,350.78 - Step 6: Final answer
x = 313,764.99
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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.