Finding the Fourth Proportional to 301,695.68, 416,315.76 and 174,379.52
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Solution
The fourth proportional to 301,695.68, 416,315.76 and 174,379.52 is: 240,629.70
Step by Step Solution
- Step 1: Write the proportion equation
301,695.68 : 416,315.76 = 174,379.52 : x - Step 2: Convert to fraction form
301,695.68/416,315.76 = 174,379.52/x - Step 3: Cross multiply
301,695.68x = 416,315.76 × 174,379.52 - Step 4: Simplify right side
301,695.68x = 72,596,942,397.24 - Step 5: Solve for x
x = 72,596,942,397.24/301,695.68 - Step 6: Final answer
x = 240,629.70
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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.