Finding the Fourth Proportional to 461,488.63, 636,853.04 and 257,537.38
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Solution
The fourth proportional to 461,488.63, 636,853.04 and 257,537.38 is: 355,400.88
Step by Step Solution
- Step 1: Write the proportion equation
461,488.63 : 636,853.04 = 257,537.38 : x - Step 2: Convert to fraction form
461,488.63/636,853.04 = 257,537.38/x - Step 3: Cross multiply
461,488.63x = 636,853.04 × 257,537.38 - Step 4: Simplify right side
461,488.63x = 164,013,463,366.64 - Step 5: Solve for x
x = 164,013,463,366.64/461,488.63 - Step 6: Final answer
x = 355,400.88
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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.