Finding the Fourth Proportional to 343,283.20, 514,924.80 and 202,969.60
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Solution
The fourth proportional to 343,283.20, 514,924.80 and 202,969.60 is: 304,454.40
Step by Step Solution
- Step 1: Write the proportion equation
343,283.20 : 514,924.80 = 202,969.60 : x - Step 2: Convert to fraction form
343,283.20/514,924.80 = 202,969.60/x - Step 3: Cross multiply
343,283.20x = 514,924.80 × 202,969.60 - Step 4: Simplify right side
343,283.20x = 104,514,080,686.08 - Step 5: Solve for x
x = 104,514,080,686.08/343,283.20 - Step 6: Final answer
x = 304,454.40
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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.