Finding the Fourth Proportional to 313,158.08, 469,727.36 and 76,502.08
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Solution
The fourth proportional to 313,158.08, 469,727.36 and 76,502.08 is: 114,750.74
Step by Step Solution
- Step 1: Write the proportion equation
313,158.08 : 469,727.36 = 76,502.08 : x - Step 2: Convert to fraction form
313,158.08/469,727.36 = 76,502.08/x - Step 3: Cross multiply
313,158.08x = 469,727.36 × 76,502.08 - Step 4: Simplify right side
313,158.08x = 35,935,120,072.91 - Step 5: Solve for x
x = 35,935,120,072.91/313,158.08 - Step 6: Final answer
x = 114,750.74
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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.