Finding the Fourth Proportional to 215,378.36, 297,171.36 and 181,053.62
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Solution
The fourth proportional to 215,378.36, 297,171.36 and 181,053.62 is: 249,811.31
Step by Step Solution
- Step 1: Write the proportion equation
215,378.36 : 297,171.36 = 181,053.62 : x - Step 2: Convert to fraction form
215,378.36/297,171.36 = 181,053.62/x - Step 3: Cross multiply
215,378.36x = 297,171.36 × 181,053.62 - Step 4: Simplify right side
215,378.36x = 53,803,950,488.32 - Step 5: Solve for x
x = 53,803,950,488.32/215,378.36 - Step 6: Final answer
x = 249,811.31
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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.