Finding the Fourth Proportional to 319,116.99, 440,379.18 and 175,877.19
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Solution
The fourth proportional to 319,116.99, 440,379.18 and 175,877.19 is: 242,709.27
Step by Step Solution
- Step 1: Write the proportion equation
319,116.99 : 440,379.18 = 175,877.19 : x - Step 2: Convert to fraction form
319,116.99/440,379.18 = 175,877.19/x - Step 3: Cross multiply
319,116.99x = 440,379.18 × 175,877.19 - Step 4: Simplify right side
319,116.99x = 77,452,652,712.90 - Step 5: Solve for x
x = 77,452,652,712.90/319,116.99 - Step 6: Final answer
x = 242,709.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.