Finding the Fourth Proportional to 353,537.98, 487,867.88 and 192,393.70
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Solution
The fourth proportional to 353,537.98, 487,867.88 and 192,393.70 is: 265,495.40
Step by Step Solution
- Step 1: Write the proportion equation
353,537.98 : 487,867.88 = 192,393.70 : x - Step 2: Convert to fraction form
353,537.98/487,867.88 = 192,393.70/x - Step 3: Cross multiply
353,537.98x = 487,867.88 × 192,393.70 - Step 4: Simplify right side
353,537.98x = 93,862,706,544.36 - Step 5: Solve for x
x = 93,862,706,544.36/353,537.98 - Step 6: Final answer
x = 265,495.40
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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.