Finding the Fourth Proportional to 473,640.26, 653,615.84 and 258,775.70
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Solution
The fourth proportional to 473,640.26, 653,615.84 and 258,775.70 is: 357,106.25
Step by Step Solution
- Step 1: Write the proportion equation
473,640.26 : 653,615.84 = 258,775.70 : x - Step 2: Convert to fraction form
473,640.26/653,615.84 = 258,775.70/x - Step 3: Cross multiply
473,640.26x = 653,615.84 × 258,775.70 - Step 4: Simplify right side
473,640.26x = 169,139,895,233.21 - Step 5: Solve for x
x = 169,139,895,233.21/473,640.26 - Step 6: Final answer
x = 357,106.25
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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.