Finding the Fourth Proportional to 354,572.13, 489,309.53 and 193,427.82
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Solution
The fourth proportional to 354,572.13, 489,309.53 and 193,427.82 is: 266,930.39
Step by Step Solution
- Step 1: Write the proportion equation
354,572.13 : 489,309.53 = 193,427.82 : x - Step 2: Convert to fraction form
354,572.13/489,309.53 = 193,427.82/x - Step 3: Cross multiply
354,572.13x = 489,309.53 × 193,427.82 - Step 4: Simplify right side
354,572.13x = 94,646,075,693.12 - Step 5: Solve for x
x = 94,646,075,693.12/354,572.13 - Step 6: Final answer
x = 266,930.39
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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.