Finding the Fourth Proportional to 173,829.99, 239,865.54 and 97,338.45
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Solution
The fourth proportional to 173,829.99, 239,865.54 and 97,338.45 is: 134,315.95
Step by Step Solution
- Step 1: Write the proportion equation
173,829.99 : 239,865.54 = 97,338.45 : x - Step 2: Convert to fraction form
173,829.99/239,865.54 = 97,338.45/x - Step 3: Cross multiply
173,829.99x = 239,865.54 × 97,338.45 - Step 4: Simplify right side
173,829.99x = 23,348,139,872.01 - Step 5: Solve for x
x = 23,348,139,872.01/173,829.99 - Step 6: Final answer
x = 134,315.95
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1.5x scale
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.