Finding the Fourth Proportional to 180,873.99, 249,606.75 and 100,308.96
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Solution
The fourth proportional to 180,873.99, 249,606.75 and 100,308.96 is: 138,426.72
Step by Step Solution
- Step 1: Write the proportion equation
180,873.99 : 249,606.75 = 100,308.96 : x - Step 2: Convert to fraction form
180,873.99/249,606.75 = 100,308.96/x - Step 3: Cross multiply
180,873.99x = 249,606.75 × 100,308.96 - Step 4: Simplify right side
180,873.99x = 25,037,793,501.48 - Step 5: Solve for x
x = 25,037,793,501.48/180,873.99 - Step 6: Final answer
x = 138,426.72
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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.