Finding the Fourth Proportional to 210,548.12, 290,554.71 and 115,053.08
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Solution
The fourth proportional to 210,548.12, 290,554.71 and 115,053.08 is: 158,772.32
Step by Step Solution
- Step 1: Write the proportion equation
210,548.12 : 290,554.71 = 115,053.08 : x - Step 2: Convert to fraction form
210,548.12/290,554.71 = 115,053.08/x - Step 3: Cross multiply
210,548.12x = 290,554.71 × 115,053.08 - Step 4: Simplify right side
210,548.12x = 33,429,214,294.01 - Step 5: Solve for x
x = 33,429,214,294.01/210,548.12 - Step 6: Final answer
x = 158,772.32
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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.