Finding the Fourth Proportional to 463,265.19, 639,316.79 and 259,311.03
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Solution
The fourth proportional to 463,265.19, 639,316.79 and 259,311.03 is: 357,855.28
Step by Step Solution
- Step 1: Write the proportion equation
463,265.19 : 639,316.79 = 259,311.03 : x - Step 2: Convert to fraction form
463,265.19/639,316.79 = 259,311.03/x - Step 3: Cross multiply
463,265.19x = 639,316.79 × 259,311.03 - Step 4: Simplify right side
463,265.19x = 165,781,894,014.64 - Step 5: Solve for x
x = 165,781,894,014.64/463,265.19 - Step 6: Final answer
x = 357,855.28
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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.