Finding the Fourth Proportional to 692,348.80, 1,038,696 and 193,708.48
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Solution
The fourth proportional to 692,348.80, 1,038,696 and 193,708.48 is: 290,611.07
Step by Step Solution
- Step 1: Write the proportion equation
692,348.80 : 1,038,696 = 193,708.48 : x - Step 2: Convert to fraction form
692,348.80/1,038,696 = 193,708.48/x - Step 3: Cross multiply
692,348.80x = 1,038,696 × 193,708.48 - Step 4: Simplify right side
692,348.80x = 201,204,223,342.08 - Step 5: Solve for x
x = 201,204,223,342.08/692,348.80 - Step 6: Final answer
x = 290,611.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.