Finding the Fourth Proportional to 228,673.97, 315,563.95 and 131,875.53
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Solution
The fourth proportional to 228,673.97, 315,563.95 and 131,875.53 is: 181,984.70
Step by Step Solution
- Step 1: Write the proportion equation
228,673.97 : 315,563.95 = 131,875.53 : x - Step 2: Convert to fraction form
228,673.97/315,563.95 = 131,875.53/x - Step 3: Cross multiply
228,673.97x = 315,563.95 × 131,875.53 - Step 4: Simplify right side
228,673.97x = 41,615,163,155.14 - Step 5: Solve for x
x = 41,615,163,155.14/228,673.97 - Step 6: Final answer
x = 181,984.70
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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.