Finding the Fourth Proportional to 354,427.04, 489,107.88 and 193,281.68
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Solution
The fourth proportional to 354,427.04, 489,107.88 and 193,281.68 is: 266,727.94
Step by Step Solution
- Step 1: Write the proportion equation
354,427.04 : 489,107.88 = 193,281.68 : x - Step 2: Convert to fraction form
354,427.04/489,107.88 = 193,281.68/x - Step 3: Cross multiply
354,427.04x = 489,107.88 × 193,281.68 - Step 4: Simplify right side
354,427.04x = 94,535,592,747.64 - Step 5: Solve for x
x = 94,535,592,747.64/354,427.04 - Step 6: Final answer
x = 266,727.94
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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.