Finding the Fourth Proportional to 288,263.68, 432,405.24 and 77,903.44
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Solution
The fourth proportional to 288,263.68, 432,405.24 and 77,903.44 is: 116,857.79
Step by Step Solution
- Step 1: Write the proportion equation
288,263.68 : 432,405.24 = 77,903.44 : x - Step 2: Convert to fraction form
288,263.68/432,405.24 = 77,903.44/x - Step 3: Cross multiply
288,263.68x = 432,405.24 × 77,903.44 - Step 4: Simplify right side
288,263.68x = 33,685,855,670.03 - Step 5: Solve for x
x = 33,685,855,670.03/288,263.68 - Step 6: Final answer
x = 116,857.79
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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.