Finding the Fourth Proportional to 411,559.74, 567,703.81 and 271,859.19
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Solution
The fourth proportional to 411,559.74, 567,703.81 and 271,859.19 is: 375,001.45
Step by Step Solution
- Step 1: Write the proportion equation
411,559.74 : 567,703.81 = 271,859.19 : x - Step 2: Convert to fraction form
411,559.74/567,703.81 = 271,859.19/x - Step 3: Cross multiply
411,559.74x = 567,703.81 × 271,859.19 - Step 4: Simplify right side
411,559.74x = 154,335,497,946.51 - Step 5: Solve for x
x = 154,335,497,946.51/411,559.74 - Step 6: Final answer
x = 375,001.45
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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.