Finding the Fourth Proportional to 402,998.36, 604,475.64 and 122,493.74
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Solution
The fourth proportional to 402,998.36, 604,475.64 and 122,493.74 is: 183,733.95
Step by Step Solution
- Step 1: Write the proportion equation
402,998.36 : 604,475.64 = 122,493.74 : x - Step 2: Convert to fraction form
402,998.36/604,475.64 = 122,493.74/x - Step 3: Cross multiply
402,998.36x = 604,475.64 × 122,493.74 - Step 4: Simplify right side
402,998.36x = 74,044,481,882.49 - Step 5: Solve for x
x = 74,044,481,882.49/402,998.36 - Step 6: Final answer
x = 183,733.95
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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.