Finding the Fourth Proportional to 1,105,292.14, 1,657,938.07 and 306,573.68
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Solution
The fourth proportional to 1,105,292.14, 1,657,938.07 and 306,573.68 is: 459,860.48
Step by Step Solution
- Step 1: Write the proportion equation
1,105,292.14 : 1,657,938.07 = 306,573.68 : x - Step 2: Convert to fraction form
1,105,292.14/1,657,938.07 = 306,573.68/x - Step 3: Cross multiply
1,105,292.14x = 1,657,938.07 × 306,573.68 - Step 4: Simplify right side
1,105,292.14x = 508,280,175,332.00 - Step 5: Solve for x
x = 508,280,175,332.00/1,105,292.14 - Step 6: Final answer
x = 459,860.48
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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.