Finding the Fourth Proportional to 527,930.48, 791,895.69 and 243,536.88
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Solution
The fourth proportional to 527,930.48, 791,895.69 and 243,536.88 is: 365,305.31
Step by Step Solution
- Step 1: Write the proportion equation
527,930.48 : 791,895.69 = 243,536.88 : x - Step 2: Convert to fraction form
527,930.48/791,895.69 = 243,536.88/x - Step 3: Cross multiply
527,930.48x = 791,895.69 × 243,536.88 - Step 4: Simplify right side
527,930.48x = 192,855,805,628.05 - Step 5: Solve for x
x = 192,855,805,628.05/527,930.48 - Step 6: Final answer
x = 365,305.31
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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.