Finding the Fourth Proportional to 354,116.80, 488,681.19 and 192,971.80
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Solution
The fourth proportional to 354,116.80, 488,681.19 and 192,971.80 is: 266,301.09
Step by Step Solution
- Step 1: Write the proportion equation
354,116.80 : 488,681.19 = 192,971.80 : x - Step 2: Convert to fraction form
354,116.80/488,681.19 = 192,971.80/x - Step 3: Cross multiply
354,116.80x = 488,681.19 × 192,971.80 - Step 4: Simplify right side
354,116.80x = 94,301,688,860.44 - Step 5: Solve for x
x = 94,301,688,860.44/354,116.80 - Step 6: Final answer
x = 266,301.09
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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.