Finding the Fourth Proportional to 418,330.65, 577,099.41 and 303,357.10
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Solution
The fourth proportional to 418,330.65, 577,099.41 and 303,357.10 is: 418,490.02
Step by Step Solution
- Step 1: Write the proportion equation
418,330.65 : 577,099.41 = 303,357.10 : x - Step 2: Convert to fraction form
418,330.65/577,099.41 = 303,357.10/x - Step 3: Cross multiply
418,330.65x = 577,099.41 × 303,357.10 - Step 4: Simplify right side
418,330.65x = 175,067,202,784.23 - Step 5: Solve for x
x = 175,067,202,784.23/418,330.65 - Step 6: Final answer
x = 418,490.02
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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.