Finding the Fourth Proportional to 515,053.80, 772,580.70 and 235,117.80
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Solution
The fourth proportional to 515,053.80, 772,580.70 and 235,117.80 is: 352,676.70
Step by Step Solution
- Step 1: Write the proportion equation
515,053.80 : 772,580.70 = 235,117.80 : x - Step 2: Convert to fraction form
515,053.80/772,580.70 = 235,117.80/x - Step 3: Cross multiply
515,053.80x = 772,580.70 × 235,117.80 - Step 4: Simplify right side
515,053.80x = 181,647,474,506.46 - Step 5: Solve for x
x = 181,647,474,506.46/515,053.80 - Step 6: Final answer
x = 352,676.70
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Similar ratio
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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.