Finding the Fourth Proportional to 427,623.99, 590,121.33 and 234,031.58
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Solution
The fourth proportional to 427,623.99, 590,121.33 and 234,031.58 is: 322,963.70
Step by Step Solution
- Step 1: Write the proportion equation
427,623.99 : 590,121.33 = 234,031.58 : x - Step 2: Convert to fraction form
427,623.99/590,121.33 = 234,031.58/x - Step 3: Cross multiply
427,623.99x = 590,121.33 × 234,031.58 - Step 4: Simplify right side
427,623.99x = 138,107,026,081.44 - Step 5: Solve for x
x = 138,107,026,081.44/427,623.99 - Step 6: Final answer
x = 322,963.70
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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.