Finding the Fourth Proportional to 180,304.08, 248,802.84 and 99,729.42
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Solution
The fourth proportional to 180,304.08, 248,802.84 and 99,729.42 is: 137,617.31
Step by Step Solution
- Step 1: Write the proportion equation
180,304.08 : 248,802.84 = 99,729.42 : x - Step 2: Convert to fraction form
180,304.08/248,802.84 = 99,729.42/x - Step 3: Cross multiply
180,304.08x = 248,802.84 × 99,729.42 - Step 4: Simplify right side
180,304.08x = 24,812,962,927.55 - Step 5: Solve for x
x = 24,812,962,927.55/180,304.08 - Step 6: Final answer
x = 137,617.31
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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.