Finding the Fourth Proportional to 319,781.08, 479,623.62 and 201,090.52
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Solution
The fourth proportional to 319,781.08, 479,623.62 and 201,090.52 is: 301,605.60
Step by Step Solution
- Step 1: Write the proportion equation
319,781.08 : 479,623.62 = 201,090.52 : x - Step 2: Convert to fraction form
319,781.08/479,623.62 = 201,090.52/x - Step 3: Cross multiply
319,781.08x = 479,623.62 × 201,090.52 - Step 4: Simplify right side
319,781.08x = 96,447,763,150.08 - Step 5: Solve for x
x = 96,447,763,150.08/319,781.08 - Step 6: Final answer
x = 301,605.60
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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.