Finding the Fourth Proportional to 499,469.99, 688,326.88 and 361,415.27
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Solution
The fourth proportional to 499,469.99, 688,326.88 and 361,415.27 is: 498,071.66
Step by Step Solution
- Step 1: Write the proportion equation
499,469.99 : 688,326.88 = 361,415.27 : x - Step 2: Convert to fraction form
499,469.99/688,326.88 = 361,415.27/x - Step 3: Cross multiply
499,469.99x = 688,326.88 × 361,415.27 - Step 4: Simplify right side
499,469.99x = 248,771,845,183.46 - Step 5: Solve for x
x = 248,771,845,183.46/499,469.99 - Step 6: Final answer
x = 498,071.66
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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.