Finding the Fourth Proportional to 311,588.13, 467,461.06 and 86,948.53
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Solution
The fourth proportional to 311,588.13, 467,461.06 and 86,948.53 is: 130,444.80
Step by Step Solution
- Step 1: Write the proportion equation
311,588.13 : 467,461.06 = 86,948.53 : x - Step 2: Convert to fraction form
311,588.13/467,461.06 = 86,948.53/x - Step 3: Cross multiply
311,588.13x = 467,461.06 × 86,948.53 - Step 4: Simplify right side
311,588.13x = 40,645,051,999.24 - Step 5: Solve for x
x = 40,645,051,999.24/311,588.13 - Step 6: Final answer
x = 130,444.80
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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.