Finding the Fourth Proportional to 371,123.87, 556,686.35 and 134,411.09
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Solution
The fourth proportional to 371,123.87, 556,686.35 and 134,411.09 is: 201,616.83
Step by Step Solution
- Step 1: Write the proportion equation
371,123.87 : 556,686.35 = 134,411.09 : x - Step 2: Convert to fraction form
371,123.87/556,686.35 = 134,411.09/x - Step 3: Cross multiply
371,123.87x = 556,686.35 × 134,411.09 - Step 4: Simplify right side
371,123.87x = 74,824,818,419.57 - Step 5: Solve for x
x = 74,824,818,419.57/371,123.87 - Step 6: Final answer
x = 201,616.83
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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.