Finding the Fourth Proportional to 254,792.84, 382,190.93 and 74,877.62
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Solution
The fourth proportional to 254,792.84, 382,190.93 and 74,877.62 is: 112,316.91
Step by Step Solution
- Step 1: Write the proportion equation
254,792.84 : 382,190.93 = 74,877.62 : x - Step 2: Convert to fraction form
254,792.84/382,190.93 = 74,877.62/x - Step 3: Cross multiply
254,792.84x = 382,190.93 × 74,877.62 - Step 4: Simplify right side
254,792.84x = 28,617,545,430.03 - Step 5: Solve for x
x = 28,617,545,430.03/254,792.84 - Step 6: Final answer
x = 112,316.91
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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.