Finding the Fourth Proportional to 162,860.31, 224,729.08 and 94,863.06
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Solution
The fourth proportional to 162,860.31, 224,729.08 and 94,863.06 is: 130,900.45
Step by Step Solution
- Step 1: Write the proportion equation
162,860.31 : 224,729.08 = 94,863.06 : x - Step 2: Convert to fraction form
162,860.31/224,729.08 = 94,863.06/x - Step 3: Cross multiply
162,860.31x = 224,729.08 × 94,863.06 - Step 4: Simplify right side
162,860.31x = 21,318,487,962.63 - Step 5: Solve for x
x = 21,318,487,962.63/162,860.31 - Step 6: Final answer
x = 130,900.45
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1.5x scale
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.