Finding the Fourth Proportional to 418,873.26, 578,047.66 and 227,888.02
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Solution
The fourth proportional to 418,873.26, 578,047.66 and 227,888.02 is: 314,486.86
Step by Step Solution
- Step 1: Write the proportion equation
418,873.26 : 578,047.66 = 227,888.02 : x - Step 2: Convert to fraction form
418,873.26/578,047.66 = 227,888.02/x - Step 3: Cross multiply
418,873.26x = 578,047.66 × 227,888.02 - Step 4: Simplify right side
418,873.26x = 131,730,136,703.03 - Step 5: Solve for x
x = 131,730,136,703.03/418,873.26 - Step 6: Final answer
x = 314,486.86
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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.