Finding the Fourth Proportional to 180,395.96, 248,948.64 and 99,830.98
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Solution
The fourth proportional to 180,395.96, 248,948.64 and 99,830.98 is: 137,767.98
Step by Step Solution
- Step 1: Write the proportion equation
180,395.96 : 248,948.64 = 99,830.98 : x - Step 2: Convert to fraction form
180,395.96/248,948.64 = 99,830.98/x - Step 3: Cross multiply
180,395.96x = 248,948.64 × 99,830.98 - Step 4: Simplify right side
180,395.96x = 24,852,787,012.05 - Step 5: Solve for x
x = 24,852,787,012.05/180,395.96 - Step 6: Final answer
x = 137,767.98
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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.