Finding the Fourth Proportional to 354,416.29, 489,094.59 and 193,267.19
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Solution
The fourth proportional to 354,416.29, 489,094.59 and 193,267.19 is: 266,708.78
Step by Step Solution
- Step 1: Write the proportion equation
354,416.29 : 489,094.59 = 193,267.19 : x - Step 2: Convert to fraction form
354,416.29/489,094.59 = 193,267.19/x - Step 3: Cross multiply
354,416.29x = 489,094.59 × 193,267.19 - Step 4: Simplify right side
354,416.29x = 94,525,937,053.50 - Step 5: Solve for x
x = 94,525,937,053.50/354,416.29 - Step 6: Final answer
x = 266,708.78
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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.