Finding the Fourth Proportional to 492,682.12, 679,901.79 and 266,327.62
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Solution
The fourth proportional to 492,682.12, 679,901.79 and 266,327.62 is: 367,532.37
Step by Step Solution
- Step 1: Write the proportion equation
492,682.12 : 679,901.79 = 266,327.62 : x - Step 2: Convert to fraction form
492,682.12/679,901.79 = 266,327.62/x - Step 3: Cross multiply
492,682.12x = 679,901.79 × 266,327.62 - Step 4: Simplify right side
492,682.12x = 181,076,625,564.44 - Step 5: Solve for x
x = 181,076,625,564.44/492,682.12 - Step 6: Final answer
x = 367,532.37
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1.5x scale
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.