Finding the Fourth Proportional to 228,102.23, 314,767.55 and 126,119.70
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Solution
The fourth proportional to 228,102.23, 314,767.55 and 126,119.70 is: 174,037.71
Step by Step Solution
- Step 1: Write the proportion equation
228,102.23 : 314,767.55 = 126,119.70 : x - Step 2: Convert to fraction form
228,102.23/314,767.55 = 126,119.70/x - Step 3: Cross multiply
228,102.23x = 314,767.55 × 126,119.70 - Step 4: Simplify right side
228,102.23x = 39,698,388,345.14 - Step 5: Solve for x
x = 39,698,388,345.14/228,102.23 - Step 6: Final answer
x = 174,037.71
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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.