Finding the Fourth Proportional to 421,194.06, 581,248.26 and 230,207.58
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Solution
The fourth proportional to 421,194.06, 581,248.26 and 230,207.58 is: 317,686.71
Step by Step Solution
- Step 1: Write the proportion equation
421,194.06 : 581,248.26 = 230,207.58 : x - Step 2: Convert to fraction form
421,194.06/581,248.26 = 230,207.58/x - Step 3: Cross multiply
421,194.06x = 581,248.26 × 230,207.58 - Step 4: Simplify right side
421,194.06x = 133,807,755,313.81 - Step 5: Solve for x
x = 133,807,755,313.81/421,194.06 - Step 6: Final answer
x = 317,686.71
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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.