Finding the Fourth Proportional to 279,793.12, 386,114.52 and 152,468.68
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Solution
The fourth proportional to 279,793.12, 386,114.52 and 152,468.68 is: 210,406.79
Step by Step Solution
- Step 1: Write the proportion equation
279,793.12 : 386,114.52 = 152,468.68 : x - Step 2: Convert to fraction form
279,793.12/386,114.52 = 152,468.68/x - Step 3: Cross multiply
279,793.12x = 386,114.52 × 152,468.68 - Step 4: Simplify right side
279,793.12x = 58,870,371,193.23 - Step 5: Solve for x
x = 58,870,371,193.23/279,793.12 - Step 6: Final answer
x = 210,406.79
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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.