Finding the Fourth Proportional to 469,987.36, 704,977.68 and 115,006.48
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Solution
The fourth proportional to 469,987.36, 704,977.68 and 115,006.48 is: 172,508.90
Step by Step Solution
- Step 1: Write the proportion equation
469,987.36 : 704,977.68 = 115,006.48 : x - Step 2: Convert to fraction form
469,987.36/704,977.68 = 115,006.48/x - Step 3: Cross multiply
469,987.36x = 704,977.68 × 115,006.48 - Step 4: Simplify right side
469,987.36x = 81,077,001,455.37 - Step 5: Solve for x
x = 81,077,001,455.37/469,987.36 - Step 6: Final answer
x = 172,508.90
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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.