Finding the Fourth Proportional to 379,567.08, 523,749.06 and 216,227.88
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Solution
The fourth proportional to 379,567.08, 523,749.06 and 216,227.88 is: 298,363.99
Step by Step Solution
- Step 1: Write the proportion equation
379,567.08 : 523,749.06 = 216,227.88 : x - Step 2: Convert to fraction form
379,567.08/523,749.06 = 216,227.88/x - Step 3: Cross multiply
379,567.08x = 523,749.06 × 216,227.88 - Step 4: Simplify right side
379,567.08x = 113,249,148,895.79 - Step 5: Solve for x
x = 113,249,148,895.79/379,567.08 - Step 6: Final answer
x = 298,363.99
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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.