Finding the Fourth Proportional to 316,252.56, 474,370.95 and 147,961.18
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Solution
The fourth proportional to 316,252.56, 474,370.95 and 147,961.18 is: 221,938.08
Step by Step Solution
- Step 1: Write the proportion equation
316,252.56 : 474,370.95 = 147,961.18 : x - Step 2: Convert to fraction form
316,252.56/474,370.95 = 147,961.18/x - Step 3: Cross multiply
316,252.56x = 474,370.95 × 147,961.18 - Step 4: Simplify right side
316,252.56x = 70,188,485,519.72 - Step 5: Solve for x
x = 70,188,485,519.72/316,252.56 - Step 6: Final answer
x = 221,938.08
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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.