Finding the Fourth Proportional to 150,547.84, 207,755.68 and 86,885.64
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Solution
The fourth proportional to 150,547.84, 207,755.68 and 86,885.64 is: 119,901.99
Step by Step Solution
- Step 1: Write the proportion equation
150,547.84 : 207,755.68 = 86,885.64 : x - Step 2: Convert to fraction form
150,547.84/207,755.68 = 86,885.64/x - Step 3: Cross multiply
150,547.84x = 207,755.68 × 86,885.64 - Step 4: Simplify right side
150,547.84x = 18,050,985,220.44 - Step 5: Solve for x
x = 18,050,985,220.44/150,547.84 - Step 6: Final answer
x = 119,901.99
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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.