Finding the Fourth Proportional to 319,496.10, 440,882.80 and 176,258.53
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Solution
The fourth proportional to 319,496.10, 440,882.80 and 176,258.53 is: 243,224.74
Step by Step Solution
- Step 1: Write the proportion equation
319,496.10 : 440,882.80 = 176,258.53 : x - Step 2: Convert to fraction form
319,496.10/440,882.80 = 176,258.53/x - Step 3: Cross multiply
319,496.10x = 440,882.80 × 176,258.53 - Step 4: Simplify right side
319,496.10x = 77,709,354,340.74 - Step 5: Solve for x
x = 77,709,354,340.74/319,496.10 - Step 6: Final answer
x = 243,224.74
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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.