Finding the Fourth Proportional to 472,084.56, 651,476.78 and 257,224.62
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Solution
The fourth proportional to 472,084.56, 651,476.78 and 257,224.62 is: 354,970.03
Step by Step Solution
- Step 1: Write the proportion equation
472,084.56 : 651,476.78 = 257,224.62 : x - Step 2: Convert to fraction form
472,084.56/651,476.78 = 257,224.62/x - Step 3: Cross multiply
472,084.56x = 651,476.78 × 257,224.62 - Step 4: Simplify right side
472,084.56x = 167,575,869,280.05 - Step 5: Solve for x
x = 167,575,869,280.05/472,084.56 - Step 6: Final answer
x = 354,970.03
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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.