Finding the Fourth Proportional to 302,181.60, 453,272.40 and 207,703.20
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Solution
The fourth proportional to 302,181.60, 453,272.40 and 207,703.20 is: 311,554.80
Step by Step Solution
- Step 1: Write the proportion equation
302,181.60 : 453,272.40 = 207,703.20 : x - Step 2: Convert to fraction form
302,181.60/453,272.40 = 207,703.20/x - Step 3: Cross multiply
302,181.60x = 453,272.40 × 207,703.20 - Step 4: Simplify right side
302,181.60x = 94,146,127,951.68 - Step 5: Solve for x
x = 94,146,127,951.68/302,181.60 - Step 6: Final answer
x = 311,554.80
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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.