Finding the Fourth Proportional to 571,581.68, 857,363.60 and 139,304.08
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Solution
The fourth proportional to 571,581.68, 857,363.60 and 139,304.08 is: 208,953.95
Step by Step Solution
- Step 1: Write the proportion equation
571,581.68 : 857,363.60 = 139,304.08 : x - Step 2: Convert to fraction form
571,581.68/857,363.60 = 139,304.08/x - Step 3: Cross multiply
571,581.68x = 857,363.60 × 139,304.08 - Step 4: Simplify right side
571,581.68x = 119,434,247,523.49 - Step 5: Solve for x
x = 119,434,247,523.49/571,581.68 - Step 6: Final answer
x = 208,953.95
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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.