Finding the Fourth Proportional to 313,335.39, 432,458.06 and 177,377.07
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Solution
The fourth proportional to 313,335.39, 432,458.06 and 177,377.07 is: 244,811.62
Step by Step Solution
- Step 1: Write the proportion equation
313,335.39 : 432,458.06 = 177,377.07 : x - Step 2: Convert to fraction form
313,335.39/432,458.06 = 177,377.07/x - Step 3: Cross multiply
313,335.39x = 432,458.06 × 177,377.07 - Step 4: Simplify right side
313,335.39x = 76,708,142,499.54 - Step 5: Solve for x
x = 76,708,142,499.54/313,335.39 - Step 6: Final answer
x = 244,811.62
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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.