Finding the Fourth Proportional to 402,678.54, 604,021.44 and 122,195.79
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Solution
The fourth proportional to 402,678.54, 604,021.44 and 122,195.79 is: 183,294.79
Step by Step Solution
- Step 1: Write the proportion equation
402,678.54 : 604,021.44 = 122,195.79 : x - Step 2: Convert to fraction form
402,678.54/604,021.44 = 122,195.79/x - Step 3: Cross multiply
402,678.54x = 604,021.44 × 122,195.79 - Step 4: Simplify right side
402,678.54x = 73,808,877,037.74 - Step 5: Solve for x
x = 73,808,877,037.74/402,678.54 - Step 6: Final answer
x = 183,294.79
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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.