Finding the Fourth Proportional to 475,137.12, 712,699.68 and 115,310.92
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Solution
The fourth proportional to 475,137.12, 712,699.68 and 115,310.92 is: 172,964.92
Step by Step Solution
- Step 1: Write the proportion equation
475,137.12 : 712,699.68 = 115,310.92 : x - Step 2: Convert to fraction form
475,137.12/712,699.68 = 115,310.92/x - Step 3: Cross multiply
475,137.12x = 712,699.68 × 115,310.92 - Step 4: Simplify right side
475,137.12x = 82,182,055,784.51 - Step 5: Solve for x
x = 82,182,055,784.51/475,137.12 - Step 6: Final answer
x = 172,964.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.