Finding the Fourth Proportional to 313,645.64, 432,735.63 and 177,657.98
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Solution
The fourth proportional to 313,645.64, 432,735.63 and 177,657.98 is: 245,114.00
Step by Step Solution
- Step 1: Write the proportion equation
313,645.64 : 432,735.63 = 177,657.98 : x - Step 2: Convert to fraction form
313,645.64/432,735.63 = 177,657.98/x - Step 3: Cross multiply
313,645.64x = 432,735.63 × 177,657.98 - Step 4: Simplify right side
313,645.64x = 76,878,937,899.83 - Step 5: Solve for x
x = 76,878,937,899.83/313,645.64 - Step 6: Final answer
x = 245,114.00
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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.