Finding the Fourth Proportional to 571,579.68, 857,360.60 and 139,302.08
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Solution
The fourth proportional to 571,579.68, 857,360.60 and 139,302.08 is: 208,950.95
Step by Step Solution
- Step 1: Write the proportion equation
571,579.68 : 857,360.60 = 139,302.08 : x - Step 2: Convert to fraction form
571,579.68/857,360.60 = 139,302.08/x - Step 3: Cross multiply
571,579.68x = 857,360.60 × 139,302.08 - Step 4: Simplify right side
571,579.68x = 119,432,114,890.05 - Step 5: Solve for x
x = 119,432,114,890.05/571,579.68 - Step 6: Final answer
x = 208,950.95
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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.