Finding the Fourth Proportional to 355,119.36, 532,678.98 and 130,382.53
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Solution
The fourth proportional to 355,119.36, 532,678.98 and 130,382.53 is: 195,573.77
Step by Step Solution
- Step 1: Write the proportion equation
355,119.36 : 532,678.98 = 130,382.53 : x - Step 2: Convert to fraction form
355,119.36/532,678.98 = 130,382.53/x - Step 3: Cross multiply
355,119.36x = 532,678.98 × 130,382.53 - Step 4: Simplify right side
355,119.36x = 69,452,032,247.46 - Step 5: Solve for x
x = 69,452,032,247.46/355,119.36 - Step 6: Final answer
x = 195,573.77
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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.