Finding the Fourth Proportional to 268,218.36, 369,480.35 and 229,854.74
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Solution
The fourth proportional to 268,218.36, 369,480.35 and 229,854.74 is: 316,633.09
Step by Step Solution
- Step 1: Write the proportion equation
268,218.36 : 369,480.35 = 229,854.74 : x - Step 2: Convert to fraction form
268,218.36/369,480.35 = 229,854.74/x - Step 3: Cross multiply
268,218.36x = 369,480.35 × 229,854.74 - Step 4: Simplify right side
268,218.36x = 84,926,808,511.59 - Step 5: Solve for x
x = 84,926,808,511.59/268,218.36 - Step 6: Final answer
x = 316,633.09
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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.