Finding the Fourth Proportional to 456,349.86, 684,525.95 and 186,477.99
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Solution
The fourth proportional to 456,349.86, 684,525.95 and 186,477.99 is: 279,717.46
Step by Step Solution
- Step 1: Write the proportion equation
456,349.86 : 684,525.95 = 186,477.99 : x - Step 2: Convert to fraction form
456,349.86/684,525.95 = 186,477.99/x - Step 3: Cross multiply
456,349.86x = 684,525.95 × 186,477.99 - Step 4: Simplify right side
456,349.86x = 127,649,022,326.45 - Step 5: Solve for x
x = 127,649,022,326.45/456,349.86 - Step 6: Final answer
x = 279,717.46
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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.