Finding the Fourth Proportional to 180,527.68, 249,135.98 and 99,955.20
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Solution
The fourth proportional to 180,527.68, 249,135.98 and 99,955.20 is: 137,942.48
Step by Step Solution
- Step 1: Write the proportion equation
180,527.68 : 249,135.98 = 99,955.20 : x - Step 2: Convert to fraction form
180,527.68/249,135.98 = 99,955.20/x - Step 3: Cross multiply
180,527.68x = 249,135.98 × 99,955.20 - Step 4: Simplify right side
180,527.68x = 24,902,436,708.10 - Step 5: Solve for x
x = 24,902,436,708.10/180,527.68 - Step 6: Final answer
x = 137,942.48
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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.