Finding the Fourth Proportional to 1,312,232.06, 1,968,348.09 and 314,960.06
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Solution
The fourth proportional to 1,312,232.06, 1,968,348.09 and 314,960.06 is: 472,440.09
Step by Step Solution
- Step 1: Write the proportion equation
1,312,232.06 : 1,968,348.09 = 314,960.06 : x - Step 2: Convert to fraction form
1,312,232.06/1,968,348.09 = 314,960.06/x - Step 3: Cross multiply
1,312,232.06x = 1,968,348.09 × 314,960.06 - Step 4: Simplify right side
1,312,232.06x = 619,951,038,629.26 - Step 5: Solve for x
x = 619,951,038,629.26/1,312,232.06 - Step 6: Final answer
x = 472,440.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.