Finding the Fourth Proportional to 342,320.99, 513,493.19 and 117,679.50
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Solution
The fourth proportional to 342,320.99, 513,493.19 and 117,679.50 is: 176,523.28
Step by Step Solution
- Step 1: Write the proportion equation
342,320.99 : 513,493.19 = 117,679.50 : x - Step 2: Convert to fraction form
342,320.99/513,493.19 = 117,679.50/x - Step 3: Cross multiply
342,320.99x = 513,493.19 × 117,679.50 - Step 4: Simplify right side
342,320.99x = 60,427,621,705.51 - Step 5: Solve for x
x = 60,427,621,705.51/342,320.99 - Step 6: Final answer
x = 176,523.28
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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.