Finding the Fourth Proportional to 315,124.26, 435,032.01 and 243,343.14
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Solution
The fourth proportional to 315,124.26, 435,032.01 and 243,343.14 is: 335,937.50
Step by Step Solution
- Step 1: Write the proportion equation
315,124.26 : 435,032.01 = 243,343.14 : x - Step 2: Convert to fraction form
315,124.26/435,032.01 = 243,343.14/x - Step 3: Cross multiply
315,124.26x = 435,032.01 × 243,343.14 - Step 4: Simplify right side
315,124.26x = 105,862,055,313.91 - Step 5: Solve for x
x = 105,862,055,313.91/315,124.26 - Step 6: Final answer
x = 335,937.50
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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.