Finding the Fourth Proportional to 531,287.10, 733,154.94 and 289,564.62
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Solution
The fourth proportional to 531,287.10, 733,154.94 and 289,564.62 is: 399,587.59
Step by Step Solution
- Step 1: Write the proportion equation
531,287.10 : 733,154.94 = 289,564.62 : x - Step 2: Convert to fraction form
531,287.10/733,154.94 = 289,564.62/x - Step 3: Cross multiply
531,287.10x = 733,154.94 × 289,564.62 - Step 4: Simplify right side
531,287.10x = 212,295,731,602.22 - Step 5: Solve for x
x = 212,295,731,602.22/531,287.10 - Step 6: Final answer
x = 399,587.59
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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.