Finding the Fourth Proportional to 319,124.66, 440,394.88 and 175,889.72
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Solution
The fourth proportional to 319,124.66, 440,394.88 and 175,889.72 is: 242,729.38
Step by Step Solution
- Step 1: Write the proportion equation
319,124.66 : 440,394.88 = 175,889.72 : x - Step 2: Convert to fraction form
319,124.66/440,394.88 = 175,889.72/x - Step 3: Cross multiply
319,124.66x = 440,394.88 × 175,889.72 - Step 4: Simplify right side
319,124.66x = 77,460,932,132.63 - Step 5: Solve for x
x = 77,460,932,132.63/319,124.66 - Step 6: Final answer
x = 242,729.38
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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.