Finding the Fourth Proportional to 316,336.44, 474,454.44 and 147,973.62
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Solution
The fourth proportional to 316,336.44, 474,454.44 and 147,973.62 is: 221,936.94
Step by Step Solution
- Step 1: Write the proportion equation
316,336.44 : 474,454.44 = 147,973.62 : x - Step 2: Convert to fraction form
316,336.44/474,454.44 = 147,973.62/x - Step 3: Cross multiply
316,336.44x = 474,454.44 × 147,973.62 - Step 4: Simplify right side
316,336.44x = 70,206,741,011.87 - Step 5: Solve for x
x = 70,206,741,011.87/316,336.44 - Step 6: Final answer
x = 221,936.94
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1.5x scale
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.