Finding the Fourth Proportional to 344,400.60, 475,240.21 and 191,420.63
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Solution
The fourth proportional to 344,400.60, 475,240.21 and 191,420.63 is: 264,142.33
Step by Step Solution
- Step 1: Write the proportion equation
344,400.60 : 475,240.21 = 191,420.63 : x - Step 2: Convert to fraction form
344,400.60/475,240.21 = 191,420.63/x - Step 3: Cross multiply
344,400.60x = 475,240.21 × 191,420.63 - Step 4: Simplify right side
344,400.60x = 90,970,779,326.93 - Step 5: Solve for x
x = 90,970,779,326.93/344,400.60 - Step 6: Final answer
x = 264,142.33
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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.