Finding the Fourth Proportional to 319,064.14, 440,311.47 and 175,829.32
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Solution
The fourth proportional to 319,064.14, 440,311.47 and 175,829.32 is: 242,646.09
Step by Step Solution
- Step 1: Write the proportion equation
319,064.14 : 440,311.47 = 175,829.32 : x - Step 2: Convert to fraction form
319,064.14/440,311.47 = 175,829.32/x - Step 3: Cross multiply
319,064.14x = 440,311.47 × 175,829.32 - Step 4: Simplify right side
319,064.14x = 77,419,664,156.74 - Step 5: Solve for x
x = 77,419,664,156.74/319,064.14 - Step 6: Final answer
x = 242,646.09
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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.