Finding the Fourth Proportional to 196,314.84, 293,142.24 and 155,880.09
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Solution
The fourth proportional to 196,314.84, 293,142.24 and 155,880.09 is: 232,764.06
Step by Step Solution
- Step 1: Write the proportion equation
196,314.84 : 293,142.24 = 155,880.09 : x - Step 2: Convert to fraction form
196,314.84/293,142.24 = 155,880.09/x - Step 3: Cross multiply
196,314.84x = 293,142.24 × 155,880.09 - Step 4: Simplify right side
196,314.84x = 45,695,038,754.00 - Step 5: Solve for x
x = 45,695,038,754.00/196,314.84 - Step 6: Final answer
x = 232,764.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.