Finding the Fourth Proportional to 359,392.68, 496,156.14 and 216,184.68
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Solution
The fourth proportional to 359,392.68, 496,156.14 and 216,184.68 is: 298,451.70
Step by Step Solution
- Step 1: Write the proportion equation
359,392.68 : 496,156.14 = 216,184.68 : x - Step 2: Convert to fraction form
359,392.68/496,156.14 = 216,184.68/x - Step 3: Cross multiply
359,392.68x = 496,156.14 × 216,184.68 - Step 4: Simplify right side
359,392.68x = 107,261,356,355.94 - Step 5: Solve for x
x = 107,261,356,355.94/359,392.68 - Step 6: Final answer
x = 298,451.70
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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.