Finding the Fourth Proportional to 306,955.44, 460,495.80 and 129,462.12
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Solution
The fourth proportional to 306,955.44, 460,495.80 and 129,462.12 is: 194,219.60
Step by Step Solution
- Step 1: Write the proportion equation
306,955.44 : 460,495.80 = 129,462.12 : x - Step 2: Convert to fraction form
306,955.44/460,495.80 = 129,462.12/x - Step 3: Cross multiply
306,955.44x = 460,495.80 × 129,462.12 - Step 4: Simplify right side
306,955.44x = 59,616,762,519.10 - Step 5: Solve for x
x = 59,616,762,519.10/306,955.44 - Step 6: Final answer
x = 194,219.60
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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.