Finding the Fourth Proportional to 228,564.99, 315,395.67 and 126,587.76
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Solution
The fourth proportional to 228,564.99, 315,395.67 and 126,587.76 is: 174,677.81
Step by Step Solution
- Step 1: Write the proportion equation
228,564.99 : 315,395.67 = 126,587.76 : x - Step 2: Convert to fraction form
228,564.99/315,395.67 = 126,587.76/x - Step 3: Cross multiply
228,564.99x = 315,395.67 × 126,587.76 - Step 4: Simplify right side
228,564.99x = 39,925,232,445.07 - Step 5: Solve for x
x = 39,925,232,445.07/228,564.99 - Step 6: Final answer
x = 174,677.81
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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.