Finding the Fourth Proportional to 183,863.84, 253,762.18 and 153,188.28
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Solution
The fourth proportional to 183,863.84, 253,762.18 and 153,188.28 is: 211,424.89
Step by Step Solution
- Step 1: Write the proportion equation
183,863.84 : 253,762.18 = 153,188.28 : x - Step 2: Convert to fraction form
183,863.84/253,762.18 = 153,188.28/x - Step 3: Cross multiply
183,863.84x = 253,762.18 × 153,188.28 - Step 4: Simplify right side
183,863.84x = 38,873,391,500.28 - Step 5: Solve for x
x = 38,873,391,500.28/183,863.84 - Step 6: Final answer
x = 211,424.89
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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.