Finding the Fourth Proportional to 215,309.18, 297,124.53 and 119,814.23
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Solution
The fourth proportional to 215,309.18, 297,124.53 and 119,814.23 is: 165,342.45
Step by Step Solution
- Step 1: Write the proportion equation
215,309.18 : 297,124.53 = 119,814.23 : x - Step 2: Convert to fraction form
215,309.18/297,124.53 = 119,814.23/x - Step 3: Cross multiply
215,309.18x = 297,124.53 × 119,814.23 - Step 4: Simplify right side
215,309.18x = 35,599,746,776.06 - Step 5: Solve for x
x = 35,599,746,776.06/215,309.18 - Step 6: Final answer
x = 165,342.45
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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.