Finding the Fourth Proportional to 180,450.99, 249,028.26 and 103,964.10
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Solution
The fourth proportional to 180,450.99, 249,028.26 and 103,964.10 is: 143,473.85
Step by Step Solution
- Step 1: Write the proportion equation
180,450.99 : 249,028.26 = 103,964.10 : x - Step 2: Convert to fraction form
180,450.99/249,028.26 = 103,964.10/x - Step 3: Cross multiply
180,450.99x = 249,028.26 × 103,964.10 - Step 4: Simplify right side
180,450.99x = 25,889,998,925.47 - Step 5: Solve for x
x = 25,889,998,925.47/180,450.99 - Step 6: Final answer
x = 143,473.85
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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.