Finding the Fourth Proportional to 515,178.10, 772,221.75 and 173,296.08
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Solution
The fourth proportional to 515,178.10, 772,221.75 and 173,296.08 is: 259,760.66
Step by Step Solution
- Step 1: Write the proportion equation
515,178.10 : 772,221.75 = 173,296.08 : x - Step 2: Convert to fraction form
515,178.10/772,221.75 = 173,296.08/x - Step 3: Cross multiply
515,178.10x = 772,221.75 × 173,296.08 - Step 4: Simplify right side
515,178.10x = 133,823,002,165.74 - Step 5: Solve for x
x = 133,823,002,165.74/515,178.10 - Step 6: Final answer
x = 259,760.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.