Finding the Fourth Proportional to 425,762.19, 638,584.97 and 248,352.75
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Solution
The fourth proportional to 425,762.19, 638,584.97 and 248,352.75 is: 372,495.11
Step by Step Solution
- Step 1: Write the proportion equation
425,762.19 : 638,584.97 = 248,352.75 : x - Step 2: Convert to fraction form
425,762.19/638,584.97 = 248,352.75/x - Step 3: Cross multiply
425,762.19x = 638,584.97 × 248,352.75 - Step 4: Simplify right side
425,762.19x = 158,594,332,166.40 - Step 5: Solve for x
x = 158,594,332,166.40/425,762.19 - Step 6: Final answer
x = 372,495.11
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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.