Finding the Fourth Proportional to 375,583.97, 518,485.49 and 214,407.88
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Solution
The fourth proportional to 375,583.97, 518,485.49 and 214,407.88 is: 295,985.41
Step by Step Solution
- Step 1: Write the proportion equation
375,583.97 : 518,485.49 = 214,407.88 : x - Step 2: Convert to fraction form
375,583.97/518,485.49 = 214,407.88/x - Step 3: Cross multiply
375,583.97x = 518,485.49 × 214,407.88 - Step 4: Simplify right side
375,583.97x = 111,167,374,721.66 - Step 5: Solve for x
x = 111,167,374,721.66/375,583.97 - Step 6: Final answer
x = 295,985.41
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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.