Finding the Fourth Proportional to 282,579.84, 390,027.15 and 161,790.62
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Solution
The fourth proportional to 282,579.84, 390,027.15 and 161,790.62 is: 223,309.39
Step by Step Solution
- Step 1: Write the proportion equation
282,579.84 : 390,027.15 = 161,790.62 : x - Step 2: Convert to fraction form
282,579.84/390,027.15 = 161,790.62/x - Step 3: Cross multiply
282,579.84x = 390,027.15 × 161,790.62 - Step 4: Simplify right side
282,579.84x = 63,102,732,465.20 - Step 5: Solve for x
x = 63,102,732,465.20/282,579.84 - Step 6: Final answer
x = 223,309.39
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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.