Finding the Fourth Proportional to 518,533.13, 777,799.69 and 124,549.13
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Solution
The fourth proportional to 518,533.13, 777,799.69 and 124,549.13 is: 186,823.69
Step by Step Solution
- Step 1: Write the proportion equation
518,533.13 : 777,799.69 = 124,549.13 : x - Step 2: Convert to fraction form
518,533.13/777,799.69 = 124,549.13/x - Step 3: Cross multiply
518,533.13x = 777,799.69 × 124,549.13 - Step 4: Simplify right side
518,533.13x = 96,874,274,703.77 - Step 5: Solve for x
x = 96,874,274,703.77/518,533.13 - Step 6: Final answer
x = 186,823.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.