Finding the Fourth Proportional to 414,454.98, 571,915.08 and 233,130.82
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Solution
The fourth proportional to 414,454.98, 571,915.08 and 233,130.82 is: 321,702.09
Step by Step Solution
- Step 1: Write the proportion equation
414,454.98 : 571,915.08 = 233,130.82 : x - Step 2: Convert to fraction form
414,454.98/571,915.08 = 233,130.82/x - Step 3: Cross multiply
414,454.98x = 571,915.08 × 233,130.82 - Step 4: Simplify right side
414,454.98x = 133,331,031,570.77 - Step 5: Solve for x
x = 133,331,031,570.77/414,454.98 - Step 6: Final answer
x = 321,702.09
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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.