Finding the Fourth Proportional to 313,211.93, 432,232.74 and 169,971.98
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Solution
The fourth proportional to 313,211.93, 432,232.74 and 169,971.98 is: 234,561.48
Step by Step Solution
- Step 1: Write the proportion equation
313,211.93 : 432,232.74 = 169,971.98 : x - Step 2: Convert to fraction form
313,211.93/432,232.74 = 169,971.98/x - Step 3: Cross multiply
313,211.93x = 432,232.74 × 169,971.98 - Step 4: Simplify right side
313,211.93x = 73,467,452,477.46 - Step 5: Solve for x
x = 73,467,452,477.46/313,211.93 - Step 6: Final answer
x = 234,561.48
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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.