Finding the Fourth Proportional to 210,957.19, 316,395.46 and 63,213.19
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Solution
The fourth proportional to 210,957.19, 316,395.46 and 63,213.19 is: 94,807.70
Step by Step Solution
- Step 1: Write the proportion equation
210,957.19 : 316,395.46 = 63,213.19 : x - Step 2: Convert to fraction form
210,957.19/316,395.46 = 63,213.19/x - Step 3: Cross multiply
210,957.19x = 316,395.46 × 63,213.19 - Step 4: Simplify right side
210,957.19x = 20,000,366,090.66 - Step 5: Solve for x
x = 20,000,366,090.66/210,957.19 - Step 6: Final answer
x = 94,807.70
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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.