Finding the Fourth Proportional to 492,381.92, 679,487.28 and 266,027.36
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Solution
The fourth proportional to 492,381.92, 679,487.28 and 266,027.36 is: 367,117.88
Step by Step Solution
- Step 1: Write the proportion equation
492,381.92 : 679,487.28 = 266,027.36 : x - Step 2: Convert to fraction form
492,381.92/679,487.28 = 266,027.36/x - Step 3: Cross multiply
492,381.92x = 679,487.28 × 266,027.36 - Step 4: Simplify right side
492,381.92x = 180,762,207,251.98 - Step 5: Solve for x
x = 180,762,207,251.98/492,381.92 - Step 6: Final answer
x = 367,117.88
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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.