Finding the Fourth Proportional to 289,875.99, 400,032.99 and 175,138.68
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Solution
The fourth proportional to 289,875.99, 400,032.99 and 175,138.68 is: 241,693.87
Step by Step Solution
- Step 1: Write the proportion equation
289,875.99 : 400,032.99 = 175,138.68 : x - Step 2: Convert to fraction form
289,875.99/400,032.99 = 175,138.68/x - Step 3: Cross multiply
289,875.99x = 400,032.99 × 175,138.68 - Step 4: Simplify right side
289,875.99x = 70,061,249,825.05 - Step 5: Solve for x
x = 70,061,249,825.05/289,875.99 - Step 6: Final answer
x = 241,693.87
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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.