Finding the Fourth Proportional to 625,866.88, 863,710.08 and 371,125.12
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Solution
The fourth proportional to 625,866.88, 863,710.08 and 371,125.12 is: 512,160.84
Step by Step Solution
- Step 1: Write the proportion equation
625,866.88 : 863,710.08 = 371,125.12 : x - Step 2: Convert to fraction form
625,866.88/863,710.08 = 371,125.12/x - Step 3: Cross multiply
625,866.88x = 863,710.08 × 371,125.12 - Step 4: Simplify right side
625,866.88x = 320,544,507,085.21 - Step 5: Solve for x
x = 320,544,507,085.21/625,866.88 - Step 6: Final answer
x = 512,160.84
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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.