Finding the Fourth Proportional to 316,687.99, 437,012.76 and 173,444.98
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Solution
The fourth proportional to 316,687.99, 437,012.76 and 173,444.98 is: 239,344.94
Step by Step Solution
- Step 1: Write the proportion equation
316,687.99 : 437,012.76 = 173,444.98 : x - Step 2: Convert to fraction form
316,687.99/437,012.76 = 173,444.98/x - Step 3: Cross multiply
316,687.99x = 437,012.76 × 173,444.98 - Step 4: Simplify right side
316,687.99x = 75,797,669,417.94 - Step 5: Solve for x
x = 75,797,669,417.94/316,687.99 - Step 6: Final answer
x = 239,344.94
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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.