Finding the Fourth Proportional to 211,903.65, 292,425.63 and 115,106.63
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Solution
The fourth proportional to 211,903.65, 292,425.63 and 115,106.63 is: 158,846.38
Step by Step Solution
- Step 1: Write the proportion equation
211,903.65 : 292,425.63 = 115,106.63 : x - Step 2: Convert to fraction form
211,903.65/292,425.63 = 115,106.63/x - Step 3: Cross multiply
211,903.65x = 292,425.63 × 115,106.63 - Step 4: Simplify right side
211,903.65x = 33,660,127,332.80 - Step 5: Solve for x
x = 33,660,127,332.80/211,903.65 - Step 6: Final answer
x = 158,846.38
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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.