Finding the Fourth Proportional to 402,794.13, 604,151.96 and 122,313.81
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Solution
The fourth proportional to 402,794.13, 604,151.96 and 122,313.81 is: 183,458.80
Step by Step Solution
- Step 1: Write the proportion equation
402,794.13 : 604,151.96 = 122,313.81 : x - Step 2: Convert to fraction form
402,794.13/604,151.96 = 122,313.81/x - Step 3: Cross multiply
402,794.13x = 604,151.96 × 122,313.81 - Step 4: Simplify right side
402,794.13x = 73,896,127,435.00 - Step 5: Solve for x
x = 73,896,127,435.00/402,794.13 - Step 6: Final answer
x = 183,458.80
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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.