Finding the Fourth Proportional to 418,349.40, 577,326.65 and 227,362.80
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Solution
The fourth proportional to 418,349.40, 577,326.65 and 227,362.80 is: 313,763.09
Step by Step Solution
- Step 1: Write the proportion equation
418,349.40 : 577,326.65 = 227,362.80 : x - Step 2: Convert to fraction form
418,349.40/577,326.65 = 227,362.80/x - Step 3: Cross multiply
418,349.40x = 577,326.65 × 227,362.80 - Step 4: Simplify right side
418,349.40x = 131,262,602,521.81 - Step 5: Solve for x
x = 131,262,602,521.81/418,349.40 - Step 6: Final answer
x = 313,763.09
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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.