Finding the Fourth Proportional to 468,720.09, 646,833.53 and 253,860.17
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Solution
The fourth proportional to 468,720.09, 646,833.53 and 253,860.17 is: 350,326.92
Step by Step Solution
- Step 1: Write the proportion equation
468,720.09 : 646,833.53 = 253,860.17 : x - Step 2: Convert to fraction form
468,720.09/646,833.53 = 253,860.17/x - Step 3: Cross multiply
468,720.09x = 646,833.53 × 253,860.17 - Step 4: Simplify right side
468,720.09x = 164,205,265,384.03 - Step 5: Solve for x
x = 164,205,265,384.03/468,720.09 - Step 6: Final answer
x = 350,326.92
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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.