Finding the Fourth Proportional to 343,283.94, 473,759.90 and 190,370.09
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Solution
The fourth proportional to 343,283.94, 473,759.90 and 190,370.09 is: 262,726.28
Step by Step Solution
- Step 1: Write the proportion equation
343,283.94 : 473,759.90 = 190,370.09 : x - Step 2: Convert to fraction form
343,283.94/473,759.90 = 190,370.09/x - Step 3: Cross multiply
343,283.94x = 473,759.90 × 190,370.09 - Step 4: Simplify right side
343,283.94x = 90,189,712,432.59 - Step 5: Solve for x
x = 90,189,712,432.59/343,283.94 - Step 6: Final answer
x = 262,726.28
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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.