Finding the Fourth Proportional to 195,422.60, 292,259.10 and 163,929.80
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Solution
The fourth proportional to 195,422.60, 292,259.10 and 163,929.80 is: 245,160.88
Step by Step Solution
- Step 1: Write the proportion equation
195,422.60 : 292,259.10 = 163,929.80 : x - Step 2: Convert to fraction form
195,422.60/292,259.10 = 163,929.80/x - Step 3: Cross multiply
195,422.60x = 292,259.10 × 163,929.80 - Step 4: Simplify right side
195,422.60x = 47,909,975,811.18 - Step 5: Solve for x
x = 47,909,975,811.18/195,422.60 - Step 6: Final answer
x = 245,160.88
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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.