Finding the Fourth Proportional to 463,145.63, 639,140.96 and 251,177.63
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Solution
The fourth proportional to 463,145.63, 639,140.96 and 251,177.63 is: 346,625.12
Step by Step Solution
- Step 1: Write the proportion equation
463,145.63 : 639,140.96 = 251,177.63 : x - Step 2: Convert to fraction form
463,145.63/639,140.96 = 251,177.63/x - Step 3: Cross multiply
463,145.63x = 639,140.96 × 251,177.63 - Step 4: Simplify right side
463,145.63x = 160,537,909,000.96 - Step 5: Solve for x
x = 160,537,909,000.96/463,145.63 - Step 6: Final answer
x = 346,625.12
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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.