Finding the Fourth Proportional to 417,873.79, 576,677.64 and 245,804.28
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Solution
The fourth proportional to 417,873.79, 576,677.64 and 245,804.28 is: 339,216.85
Step by Step Solution
- Step 1: Write the proportion equation
417,873.79 : 576,677.64 = 245,804.28 : x - Step 2: Convert to fraction form
417,873.79/576,677.64 = 245,804.28/x - Step 3: Cross multiply
417,873.79x = 576,677.64 × 245,804.28 - Step 4: Simplify right side
417,873.79x = 141,749,832,092.30 - Step 5: Solve for x
x = 141,749,832,092.30/417,873.79 - Step 6: Final answer
x = 339,216.85
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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.