Finding the Fourth Proportional to 413,182.49, 570,220.08 and 229,430.55
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Solution
The fourth proportional to 413,182.49, 570,220.08 and 229,430.55 is: 316,629.85
Step by Step Solution
- Step 1: Write the proportion equation
413,182.49 : 570,220.08 = 229,430.55 : x - Step 2: Convert to fraction form
413,182.49/570,220.08 = 229,430.55/x - Step 3: Cross multiply
413,182.49x = 570,220.08 × 229,430.55 - Step 4: Simplify right side
413,182.49x = 130,825,906,575.44 - Step 5: Solve for x
x = 130,825,906,575.44/413,182.49 - Step 6: Final answer
x = 316,629.85
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1.5x scale
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.