Finding the Fourth Proportional to 176,358.81, 243,209.37 and 136,008.66
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Solution
The fourth proportional to 176,358.81, 243,209.37 and 136,008.66 is: 187,564.09
Step by Step Solution
- Step 1: Write the proportion equation
176,358.81 : 243,209.37 = 136,008.66 : x - Step 2: Convert to fraction form
176,358.81/243,209.37 = 136,008.66/x - Step 3: Cross multiply
176,358.81x = 243,209.37 × 136,008.66 - Step 4: Simplify right side
176,358.81x = 33,078,580,513.14 - Step 5: Solve for x
x = 33,078,580,513.14/176,358.81 - Step 6: Final answer
x = 187,564.09
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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.