Finding the Fourth Proportional to 406,337.42, 560,753.48 and 243,161.70
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Solution
The fourth proportional to 406,337.42, 560,753.48 and 243,161.70 is: 335,567.84
Step by Step Solution
- Step 1: Write the proportion equation
406,337.42 : 560,753.48 = 243,161.70 : x - Step 2: Convert to fraction form
406,337.42/560,753.48 = 243,161.70/x - Step 3: Cross multiply
406,337.42x = 560,753.48 × 243,161.70 - Step 4: Simplify right side
406,337.42x = 136,353,769,477.72 - Step 5: Solve for x
x = 136,353,769,477.72/406,337.42 - Step 6: Final answer
x = 335,567.84
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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.