Finding the Fourth Proportional to 415,708.74, 623,574.72 and 135,225.99
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Solution
The fourth proportional to 415,708.74, 623,574.72 and 135,225.99 is: 202,842.76
Step by Step Solution
- Step 1: Write the proportion equation
415,708.74 : 623,574.72 = 135,225.99 : x - Step 2: Convert to fraction form
415,708.74/623,574.72 = 135,225.99/x - Step 3: Cross multiply
415,708.74x = 623,574.72 × 135,225.99 - Step 4: Simplify right side
415,708.74x = 84,323,508,850.97 - Step 5: Solve for x
x = 84,323,508,850.97/415,708.74 - Step 6: Final answer
x = 202,842.76
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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.