Finding the Fourth Proportional to 316,675.74, 437,000.76 and 173,436.96
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Solution
The fourth proportional to 316,675.74, 437,000.76 and 173,436.96 is: 239,336.56
Step by Step Solution
- Step 1: Write the proportion equation
316,675.74 : 437,000.76 = 173,436.96 : x - Step 2: Convert to fraction form
316,675.74/437,000.76 = 173,436.96/x - Step 3: Cross multiply
316,675.74x = 437,000.76 × 173,436.96 - Step 4: Simplify right side
316,675.74x = 75,792,083,332.09 - Step 5: Solve for x
x = 75,792,083,332.09/316,675.74 - Step 6: Final answer
x = 239,336.56
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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.