Finding the Fourth Proportional to 559,181.99, 771,692.99 and 317,487.06
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Solution
The fourth proportional to 559,181.99, 771,692.99 and 317,487.06 is: 438,144.55
Step by Step Solution
- Step 1: Write the proportion equation
559,181.99 : 771,692.99 = 317,487.06 : x - Step 2: Convert to fraction form
559,181.99/771,692.99 = 317,487.06/x - Step 3: Cross multiply
559,181.99x = 771,692.99 × 317,487.06 - Step 4: Simplify right side
559,181.99x = 245,002,537,030.27 - Step 5: Solve for x
x = 245,002,537,030.27/559,181.99 - Step 6: Final answer
x = 438,144.55
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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.