Finding the Fourth Proportional to 559,181.24, 771,691.95 and 317,486.30
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Solution
The fourth proportional to 559,181.24, 771,691.95 and 317,486.30 is: 438,143.49
Step by Step Solution
- Step 1: Write the proportion equation
559,181.24 : 771,691.95 = 317,486.30 : x - Step 2: Convert to fraction form
559,181.24/771,691.95 = 317,486.30/x - Step 3: Cross multiply
559,181.24x = 771,691.95 × 317,486.30 - Step 4: Simplify right side
559,181.24x = 245,001,621,945.29 - Step 5: Solve for x
x = 245,001,621,945.29/559,181.24 - Step 6: Final answer
x = 438,143.49
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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.