Finding the Fourth Proportional to 448,386.12, 672,754.14 and 258,746.31
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Solution
The fourth proportional to 448,386.12, 672,754.14 and 258,746.31 is: 388,220.43
Step by Step Solution
- Step 1: Write the proportion equation
448,386.12 : 672,754.14 = 258,746.31 : x - Step 2: Convert to fraction form
448,386.12/672,754.14 = 258,746.31/x - Step 3: Cross multiply
448,386.12x = 672,754.14 × 258,746.31 - Step 4: Simplify right side
448,386.12x = 174,072,651,262.22 - Step 5: Solve for x
x = 174,072,651,262.22/448,386.12 - Step 6: Final answer
x = 388,220.43
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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.