Finding the Fourth Proportional to 572,167.99, 789,565.21 and 317,516.95
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Solution
The fourth proportional to 572,167.99, 789,565.21 and 317,516.95 is: 438,158.62
Step by Step Solution
- Step 1: Write the proportion equation
572,167.99 : 789,565.21 = 317,516.95 : x - Step 2: Convert to fraction form
572,167.99/789,565.21 = 317,516.95/x - Step 3: Cross multiply
572,167.99x = 789,565.21 × 317,516.95 - Step 4: Simplify right side
572,167.99x = 250,700,337,305.31 - Step 5: Solve for x
x = 250,700,337,305.31/572,167.99 - Step 6: Final answer
x = 438,158.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.