Finding the Fourth Proportional to 180,486.96, 249,063.93 and 99,908.79
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Solution
The fourth proportional to 180,486.96, 249,063.93 and 99,908.79 is: 137,869.66
Step by Step Solution
- Step 1: Write the proportion equation
180,486.96 : 249,063.93 = 99,908.79 : x - Step 2: Convert to fraction form
180,486.96/249,063.93 = 99,908.79/x - Step 3: Cross multiply
180,486.96x = 249,063.93 × 99,908.79 - Step 4: Simplify right side
180,486.96x = 24,883,675,878.94 - Step 5: Solve for x
x = 24,883,675,878.94/180,486.96 - Step 6: Final answer
x = 137,869.66
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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.