Finding the Fourth Proportional to 376,070.29, 518,973.97 and 203,987.82
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Solution
The fourth proportional to 376,070.29, 518,973.97 and 203,987.82 is: 281,501.55
Step by Step Solution
- Step 1: Write the proportion equation
376,070.29 : 518,973.97 = 203,987.82 : x - Step 2: Convert to fraction form
376,070.29/518,973.97 = 203,987.82/x - Step 3: Cross multiply
376,070.29x = 518,973.97 × 203,987.82 - Step 4: Simplify right side
376,070.29x = 105,864,367,757.11 - Step 5: Solve for x
x = 105,864,367,757.11/376,070.29 - Step 6: Final answer
x = 281,501.55
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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.