Finding the Fourth Proportional to 453,729.60, 626,076.74 and 262,706.09
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Solution
The fourth proportional to 453,729.60, 626,076.74 and 262,706.09 is: 362,493.81
Step by Step Solution
- Step 1: Write the proportion equation
453,729.60 : 626,076.74 = 262,706.09 : x - Step 2: Convert to fraction form
453,729.60/626,076.74 = 262,706.09/x - Step 3: Cross multiply
453,729.60x = 626,076.74 × 262,706.09 - Step 4: Simplify right side
453,729.60x = 164,474,169,931.73 - Step 5: Solve for x
x = 164,474,169,931.73/453,729.60 - Step 6: Final answer
x = 362,493.81
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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.