Finding the Fourth Proportional to 302,763.20, 417,813.21 and 168,627.20
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Solution
The fourth proportional to 302,763.20, 417,813.21 and 168,627.20 is: 232,705.53
Step by Step Solution
- Step 1: Write the proportion equation
302,763.20 : 417,813.21 = 168,627.20 : x - Step 2: Convert to fraction form
302,763.20/417,813.21 = 168,627.20/x - Step 3: Cross multiply
302,763.20x = 417,813.21 × 168,627.20 - Step 4: Simplify right side
302,763.20x = 70,454,669,636.25 - Step 5: Solve for x
x = 70,454,669,636.25/302,763.20 - Step 6: Final answer
x = 232,705.53
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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.