Finding the Fourth Proportional to 758,675.84, 1,138,071.84 and 226,156.16
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Solution
The fourth proportional to 758,675.84, 1,138,071.84 and 226,156.16 is: 339,251.55
Step by Step Solution
- Step 1: Write the proportion equation
758,675.84 : 1,138,071.84 = 226,156.16 : x - Step 2: Convert to fraction form
758,675.84/1,138,071.84 = 226,156.16/x - Step 3: Cross multiply
758,675.84x = 1,138,071.84 × 226,156.16 - Step 4: Simplify right side
758,675.84x = 257,381,957,138.53 - Step 5: Solve for x
x = 257,381,957,138.53/758,675.84 - Step 6: Final answer
x = 339,251.55
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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.