Finding the Fourth Proportional to 268,252.24, 402,440.64 and 78,704.95
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Solution
The fourth proportional to 268,252.24, 402,440.64 and 78,704.95 is: 118,075.70
Step by Step Solution
- Step 1: Write the proportion equation
268,252.24 : 402,440.64 = 78,704.95 : x - Step 2: Convert to fraction form
268,252.24/402,440.64 = 78,704.95/x - Step 3: Cross multiply
268,252.24x = 402,440.64 × 78,704.95 - Step 4: Simplify right side
268,252.24x = 31,674,070,449.17 - Step 5: Solve for x
x = 31,674,070,449.17/268,252.24 - Step 6: Final answer
x = 118,075.70
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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.