Finding the Fourth Proportional to 354,407.79, 489,094.56 and 193,271.66
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Solution
The fourth proportional to 354,407.79, 489,094.56 and 193,271.66 is: 266,721.32
Step by Step Solution
- Step 1: Write the proportion equation
354,407.79 : 489,094.56 = 193,271.66 : x - Step 2: Convert to fraction form
354,407.79/489,094.56 = 193,271.66/x - Step 3: Cross multiply
354,407.79x = 489,094.56 × 193,271.66 - Step 4: Simplify right side
354,407.79x = 94,528,115,062.70 - Step 5: Solve for x
x = 94,528,115,062.70/354,407.79 - Step 6: Final answer
x = 266,721.32
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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.