Finding the Fourth Proportional to 299,995.36, 414,031.68 and 170,980.21
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Solution
The fourth proportional to 299,995.36, 414,031.68 and 170,980.21 is: 235,974.39
Step by Step Solution
- Step 1: Write the proportion equation
299,995.36 : 414,031.68 = 170,980.21 : x - Step 2: Convert to fraction form
299,995.36/414,031.68 = 170,980.21/x - Step 3: Cross multiply
299,995.36x = 414,031.68 × 170,980.21 - Step 4: Simplify right side
299,995.36x = 70,791,220,667.99 - Step 5: Solve for x
x = 70,791,220,667.99/299,995.36 - Step 6: Final answer
x = 235,974.39
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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.