Finding the Fourth Proportional to 256,282.14, 353,835.63 and 229,377.99
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Solution
The fourth proportional to 256,282.14, 353,835.63 and 229,377.99 is: 316,690.45
Step by Step Solution
- Step 1: Write the proportion equation
256,282.14 : 353,835.63 = 229,377.99 : x - Step 2: Convert to fraction form
256,282.14/353,835.63 = 229,377.99/x - Step 3: Cross multiply
256,282.14x = 353,835.63 × 229,377.99 - Step 4: Simplify right side
256,282.14x = 81,162,105,599.78 - Step 5: Solve for x
x = 81,162,105,599.78/256,282.14 - Step 6: Final answer
x = 316,690.45
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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.