Finding the Fourth Proportional to 309,487.74, 464,365.23 and 167,433.09
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Solution
The fourth proportional to 309,487.74, 464,365.23 and 167,433.09 is: 251,221.92
Step by Step Solution
- Step 1: Write the proportion equation
309,487.74 : 464,365.23 = 167,433.09 : x - Step 2: Convert to fraction form
309,487.74/464,365.23 = 167,433.09/x - Step 3: Cross multiply
309,487.74x = 464,365.23 × 167,433.09 - Step 4: Simplify right side
309,487.74x = 77,750,105,347.46 - Step 5: Solve for x
x = 77,750,105,347.46/309,487.74 - Step 6: Final answer
x = 251,221.92
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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.