Finding the Fourth Proportional to 434,623.60, 651,935.40 and 382,135.60
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Solution
The fourth proportional to 434,623.60, 651,935.40 and 382,135.60 is: 573,203.40
Step by Step Solution
- Step 1: Write the proportion equation
434,623.60 : 651,935.40 = 382,135.60 : x - Step 2: Convert to fraction form
434,623.60/651,935.40 = 382,135.60/x - Step 3: Cross multiply
434,623.60x = 651,935.40 × 382,135.60 - Step 4: Simplify right side
434,623.60x = 249,127,725,240.24 - Step 5: Solve for x
x = 249,127,725,240.24/434,623.60 - Step 6: Final answer
x = 573,203.40
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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.