Finding the Fourth Proportional to 637,085.09, 879,159.76 and 361,493.12
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Solution
The fourth proportional to 637,085.09, 879,159.76 and 361,493.12 is: 498,850.48
Step by Step Solution
- Step 1: Write the proportion equation
637,085.09 : 879,159.76 = 361,493.12 : x - Step 2: Convert to fraction form
637,085.09/879,159.76 = 361,493.12/x - Step 3: Cross multiply
637,085.09x = 879,159.76 × 361,493.12 - Step 4: Simplify right side
637,085.09x = 317,810,205,915.02 - Step 5: Solve for x
x = 317,810,205,915.02/637,085.09 - Step 6: Final answer
x = 498,850.48
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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.