Finding the Fourth Proportional to 393,497.70, 590,246.55 and 349,210.95
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Solution
The fourth proportional to 393,497.70, 590,246.55 and 349,210.95 is: 523,816.43
Step by Step Solution
- Step 1: Write the proportion equation
393,497.70 : 590,246.55 = 349,210.95 : x - Step 2: Convert to fraction form
393,497.70/590,246.55 = 349,210.95/x - Step 3: Cross multiply
393,497.70x = 590,246.55 × 349,210.95 - Step 4: Simplify right side
393,497.70x = 206,120,558,459.72 - Step 5: Solve for x
x = 206,120,558,459.72/393,497.70 - Step 6: Final answer
x = 523,816.43
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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.