Finding the Fourth Proportional to 260,064.66, 358,884.99 and 145,344.90
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Solution
The fourth proportional to 260,064.66, 358,884.99 and 145,344.90 is: 200,573.59
Step by Step Solution
- Step 1: Write the proportion equation
260,064.66 : 358,884.99 = 145,344.90 : x - Step 2: Convert to fraction form
260,064.66/358,884.99 = 145,344.90/x - Step 3: Cross multiply
260,064.66x = 358,884.99 × 145,344.90 - Step 4: Simplify right side
260,064.66x = 52,162,102,983.05 - Step 5: Solve for x
x = 52,162,102,983.05/260,064.66 - Step 6: Final answer
x = 200,573.59
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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.