Finding the Fourth Proportional to 316,276.23, 474,294.97 and 102,988.45
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Solution
The fourth proportional to 316,276.23, 474,294.97 and 102,988.45 is: 154,443.80
Step by Step Solution
- Step 1: Write the proportion equation
316,276.23 : 474,294.97 = 102,988.45 : x - Step 2: Convert to fraction form
316,276.23/474,294.97 = 102,988.45/x - Step 3: Cross multiply
316,276.23x = 474,294.97 × 102,988.45 - Step 4: Simplify right side
316,276.23x = 48,846,903,803.10 - Step 5: Solve for x
x = 48,846,903,803.10/316,276.23 - Step 6: Final answer
x = 154,443.80
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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.