Finding the Fourth Proportional to 434,541.40, 651,812.10 and 292,823.80
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Solution
The fourth proportional to 434,541.40, 651,812.10 and 292,823.80 is: 439,235.70
Step by Step Solution
- Step 1: Write the proportion equation
434,541.40 : 651,812.10 = 292,823.80 : x - Step 2: Convert to fraction form
434,541.40/651,812.10 = 292,823.80/x - Step 3: Cross multiply
434,541.40x = 651,812.10 × 292,823.80 - Step 4: Simplify right side
434,541.40x = 190,866,096,007.98 - Step 5: Solve for x
x = 190,866,096,007.98/434,541.40 - Step 6: Final answer
x = 439,235.70
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1.5x scale
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.