Finding the Fourth Proportional to 180,315.96, 248,816.88 and 99,730.68
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Solution
The fourth proportional to 180,315.96, 248,816.88 and 99,730.68 is: 137,617.75
Step by Step Solution
- Step 1: Write the proportion equation
180,315.96 : 248,816.88 = 99,730.68 : x - Step 2: Convert to fraction form
180,315.96/248,816.88 = 99,730.68/x - Step 3: Cross multiply
180,315.96x = 248,816.88 × 99,730.68 - Step 4: Simplify right side
180,315.96x = 24,814,676,637.88 - Step 5: Solve for x
x = 24,814,676,637.88/180,315.96 - Step 6: Final answer
x = 137,617.75
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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.