Finding the Fourth Proportional to 396,862.68, 595,376.01 and 130,639.17
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Solution
The fourth proportional to 396,862.68, 595,376.01 and 130,639.17 is: 195,985.74
Step by Step Solution
- Step 1: Write the proportion equation
396,862.68 : 595,376.01 = 130,639.17 : x - Step 2: Convert to fraction form
396,862.68/595,376.01 = 130,639.17/x - Step 3: Cross multiply
396,862.68x = 595,376.01 × 130,639.17 - Step 4: Simplify right side
396,862.68x = 77,779,427,784.31 - Step 5: Solve for x
x = 77,779,427,784.31/396,862.68 - Step 6: Final answer
x = 195,985.74
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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.