Finding the Fourth Proportional to 242,263.70, 363,460.35 and 172,279.70
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Solution
The fourth proportional to 242,263.70, 363,460.35 and 172,279.70 is: 258,465.63
Step by Step Solution
- Step 1: Write the proportion equation
242,263.70 : 363,460.35 = 172,279.70 : x - Step 2: Convert to fraction form
242,263.70/363,460.35 = 172,279.70/x - Step 3: Cross multiply
242,263.70x = 363,460.35 × 172,279.70 - Step 4: Simplify right side
242,263.70x = 62,616,840,059.90 - Step 5: Solve for x
x = 62,616,840,059.90/242,263.70 - Step 6: Final answer
x = 258,465.63
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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.