Finding the Fourth Proportional to 305,251.98, 421,248.96 and 169,298.58
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Solution
The fourth proportional to 305,251.98, 421,248.96 and 169,298.58 is: 233,632.72
Step by Step Solution
- Step 1: Write the proportion equation
305,251.98 : 421,248.96 = 169,298.58 : x - Step 2: Convert to fraction form
305,251.98/421,248.96 = 169,298.58/x - Step 3: Cross multiply
305,251.98x = 421,248.96 × 169,298.58 - Step 4: Simplify right side
305,251.98x = 71,316,850,754.48 - Step 5: Solve for x
x = 71,316,850,754.48/305,251.98 - Step 6: Final answer
x = 233,632.72
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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.