Finding the Fourth Proportional to 147,221.84, 220,547.64 and 88,104.08
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Solution
The fourth proportional to 147,221.84, 220,547.64 and 88,104.08 is: 131,985.49
Step by Step Solution
- Step 1: Write the proportion equation
147,221.84 : 220,547.64 = 88,104.08 : x - Step 2: Convert to fraction form
147,221.84/220,547.64 = 88,104.08/x - Step 3: Cross multiply
147,221.84x = 220,547.64 × 88,104.08 - Step 4: Simplify right side
147,221.84x = 19,431,146,918.37 - Step 5: Solve for x
x = 19,431,146,918.37/147,221.84 - Step 6: Final answer
x = 131,985.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.