Finding the Fourth Proportional to 242,605.99, 334,791.80 and 135,173.71
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Solution
The fourth proportional to 242,605.99, 334,791.80 and 135,173.71 is: 186,537.23
Step by Step Solution
- Step 1: Write the proportion equation
242,605.99 : 334,791.80 = 135,173.71 : x - Step 2: Convert to fraction form
242,605.99/334,791.80 = 135,173.71/x - Step 3: Cross multiply
242,605.99x = 334,791.80 × 135,173.71 - Step 4: Simplify right side
242,605.99x = 45,255,048,009.62 - Step 5: Solve for x
x = 45,255,048,009.62/242,605.99 - Step 6: Final answer
x = 186,537.23
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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.