Finding the Fourth Proportional to 384,449.24, 530,517.98 and 229,575.31
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Solution
The fourth proportional to 384,449.24, 530,517.98 and 229,575.31 is: 316,800.80
Step by Step Solution
- Step 1: Write the proportion equation
384,449.24 : 530,517.98 = 229,575.31 : x - Step 2: Convert to fraction form
384,449.24/530,517.98 = 229,575.31/x - Step 3: Cross multiply
384,449.24x = 530,517.98 × 229,575.31 - Step 4: Simplify right side
384,449.24x = 121,793,828,966.72 - Step 5: Solve for x
x = 121,793,828,966.72/384,449.24 - Step 6: Final answer
x = 316,800.80
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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.