Finding the Fourth Proportional to 251,898.19, 377,897.12 and 71,985.23
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Solution
The fourth proportional to 251,898.19, 377,897.12 and 71,985.23 is: 107,992.09
Step by Step Solution
- Step 1: Write the proportion equation
251,898.19 : 377,897.12 = 71,985.23 : x - Step 2: Convert to fraction form
251,898.19/377,897.12 = 71,985.23/x - Step 3: Cross multiply
251,898.19x = 377,897.12 × 71,985.23 - Step 4: Simplify right side
251,898.19x = 27,203,011,099.54 - Step 5: Solve for x
x = 27,203,011,099.54/251,898.19 - Step 6: Final answer
x = 107,992.09
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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.