Finding the Fourth Proportional to 180,835.68, 249,550.32 and 99,163.68
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Solution
The fourth proportional to 180,835.68, 249,550.32 and 99,163.68 is: 136,844.28
Step by Step Solution
- Step 1: Write the proportion equation
180,835.68 : 249,550.32 = 99,163.68 : x - Step 2: Convert to fraction form
180,835.68/249,550.32 = 99,163.68/x - Step 3: Cross multiply
180,835.68x = 249,550.32 × 99,163.68 - Step 4: Simplify right side
180,835.68x = 24,746,328,076.38 - Step 5: Solve for x
x = 24,746,328,076.38/180,835.68 - Step 6: Final answer
x = 136,844.28
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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.