Finding the Fourth Proportional to 205,315.79, 307,974.44 and 63,160.08
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Solution
The fourth proportional to 205,315.79, 307,974.44 and 63,160.08 is: 94,740.35
Step by Step Solution
- Step 1: Write the proportion equation
205,315.79 : 307,974.44 = 63,160.08 : x - Step 2: Convert to fraction form
205,315.79/307,974.44 = 63,160.08/x - Step 3: Cross multiply
205,315.79x = 307,974.44 × 63,160.08 - Step 4: Simplify right side
205,315.79x = 19,451,688,412.68 - Step 5: Solve for x
x = 19,451,688,412.68/205,315.79 - Step 6: Final answer
x = 94,740.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.