Finding the Fourth Proportional to 472,984.13, 652,731.93 and 258,137.97
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Solution
The fourth proportional to 472,984.13, 652,731.93 and 258,137.97 is: 356,237.95
Step by Step Solution
- Step 1: Write the proportion equation
472,984.13 : 652,731.93 = 258,137.97 : x - Step 2: Convert to fraction form
472,984.13/652,731.93 = 258,137.97/x - Step 3: Cross multiply
472,984.13x = 652,731.93 × 258,137.97 - Step 4: Simplify right side
472,984.13x = 168,494,895,364.38 - Step 5: Solve for x
x = 168,494,895,364.38/472,984.13 - Step 6: Final answer
x = 356,237.95
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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.