Finding the Fourth Proportional to 313,374.75, 432,462.24 and 177,405.18
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Solution
The fourth proportional to 313,374.75, 432,462.24 and 177,405.18 is: 244,822.03
Step by Step Solution
- Step 1: Write the proportion equation
313,374.75 : 432,462.24 = 177,405.18 : x - Step 2: Convert to fraction form
313,374.75/432,462.24 = 177,405.18/x - Step 3: Cross multiply
313,374.75x = 432,462.24 × 177,405.18 - Step 4: Simplify right side
313,374.75x = 76,721,041,530.40 - Step 5: Solve for x
x = 76,721,041,530.40/313,374.75 - Step 6: Final answer
x = 244,822.03
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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.