Finding the Fourth Proportional to 309,991.24, 465,190.98 and 169,848.28
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Solution
The fourth proportional to 309,991.24, 465,190.98 and 169,848.28 is: 254,884.26
Step by Step Solution
- Step 1: Write the proportion equation
309,991.24 : 465,190.98 = 169,848.28 : x - Step 2: Convert to fraction form
309,991.24/465,190.98 = 169,848.28/x - Step 3: Cross multiply
309,991.24x = 465,190.98 × 169,848.28 - Step 4: Simplify right side
309,991.24x = 79,011,887,824.51 - Step 5: Solve for x
x = 79,011,887,824.51/309,991.24 - Step 6: Final answer
x = 254,884.26
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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.