Finding the Fourth Proportional to 155,557.08, 214,604.91 and 115,369.74
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Solution
The fourth proportional to 155,557.08, 214,604.91 and 115,369.74 is: 159,162.88
Step by Step Solution
- Step 1: Write the proportion equation
155,557.08 : 214,604.91 = 115,369.74 : x - Step 2: Convert to fraction form
155,557.08/214,604.91 = 115,369.74/x - Step 3: Cross multiply
155,557.08x = 214,604.91 × 115,369.74 - Step 4: Simplify right side
155,557.08x = 24,758,912,669.42 - Step 5: Solve for x
x = 24,758,912,669.42/155,557.08 - Step 6: Final answer
x = 159,162.88
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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.