Finding the Fourth Proportional to 507,155.58, 699,826.23 and 303,165.99
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Solution
The fourth proportional to 507,155.58, 699,826.23 and 303,165.99 is: 418,340.09
Step by Step Solution
- Step 1: Write the proportion equation
507,155.58 : 699,826.23 = 303,165.99 : x - Step 2: Convert to fraction form
507,155.58/699,826.23 = 303,165.99/x - Step 3: Cross multiply
507,155.58x = 699,826.23 × 303,165.99 - Step 4: Simplify right side
507,155.58x = 212,163,511,845.92 - Step 5: Solve for x
x = 212,163,511,845.92/507,155.58 - Step 6: Final answer
x = 418,340.09
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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.