Finding the Fourth Proportional to 354,598.79, 489,345.26 and 193,452.68
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Solution
The fourth proportional to 354,598.79, 489,345.26 and 193,452.68 is: 266,964.12
Step by Step Solution
- Step 1: Write the proportion equation
354,598.79 : 489,345.26 = 193,452.68 : x - Step 2: Convert to fraction form
354,598.79/489,345.26 = 193,452.68/x - Step 3: Cross multiply
354,598.79x = 489,345.26 × 193,452.68 - Step 4: Simplify right side
354,598.79x = 94,665,152,248.40 - Step 5: Solve for x
x = 94,665,152,248.40/354,598.79 - Step 6: Final answer
x = 266,964.12
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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.