Finding the Fourth Proportional to 180,860.26, 249,574.99 and 100,284.80
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Solution
The fourth proportional to 180,860.26, 249,574.99 and 100,284.80 is: 138,386.27
Step by Step Solution
- Step 1: Write the proportion equation
180,860.26 : 249,574.99 = 100,284.80 : x - Step 2: Convert to fraction form
180,860.26/249,574.99 = 100,284.80/x - Step 3: Cross multiply
180,860.26x = 249,574.99 × 100,284.80 - Step 4: Simplify right side
180,860.26x = 25,028,577,082.50 - Step 5: Solve for x
x = 25,028,577,082.50/180,860.26 - Step 6: Final answer
x = 138,386.27
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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.