Finding the Fourth Proportional to 319,219.74, 440,524.58 and 175,976.64
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Solution
The fourth proportional to 319,219.74, 440,524.58 and 175,976.64 is: 242,848.50
Step by Step Solution
- Step 1: Write the proportion equation
319,219.74 : 440,524.58 = 175,976.64 : x - Step 2: Convert to fraction form
319,219.74/440,524.58 = 175,976.64/x - Step 3: Cross multiply
319,219.74x = 440,524.58 × 175,976.64 - Step 4: Simplify right side
319,219.74x = 77,522,034,545.93 - Step 5: Solve for x
x = 77,522,034,545.93/319,219.74 - Step 6: Final answer
x = 242,848.50
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1.5x scale
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.