Finding the Fourth Proportional to 354,562.10, 489,302.64 and 193,423.13
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Solution
The fourth proportional to 354,562.10, 489,302.64 and 193,423.13 is: 266,927.71
Step by Step Solution
- Step 1: Write the proportion equation
354,562.10 : 489,302.64 = 193,423.13 : x - Step 2: Convert to fraction form
354,562.10/489,302.64 = 193,423.13/x - Step 3: Cross multiply
354,562.10x = 489,302.64 × 193,423.13 - Step 4: Simplify right side
354,562.10x = 94,642,448,146.06 - Step 5: Solve for x
x = 94,642,448,146.06/354,562.10 - Step 6: Final answer
x = 266,927.71
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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.