Finding the Fourth Proportional to 493,288.60, 740,161.26 and 268,381.12
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Solution
The fourth proportional to 493,288.60, 740,161.26 and 268,381.12 is: 402,695.92
Step by Step Solution
- Step 1: Write the proportion equation
493,288.60 : 740,161.26 = 268,381.12 : x - Step 2: Convert to fraction form
493,288.60/740,161.26 = 268,381.12/x - Step 3: Cross multiply
493,288.60x = 740,161.26 × 268,381.12 - Step 4: Simplify right side
493,288.60x = 198,645,307,939.41 - Step 5: Solve for x
x = 198,645,307,939.41/493,288.60 - Step 6: Final answer
x = 402,695.92
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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.