Finding the Fourth Proportional to 477,487.31, 716,334.78 and 157,653.14
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Solution
The fourth proportional to 477,487.31, 716,334.78 and 157,653.14 is: 236,513.99
Step by Step Solution
- Step 1: Write the proportion equation
477,487.31 : 716,334.78 = 157,653.14 : x - Step 2: Convert to fraction form
477,487.31/716,334.78 = 157,653.14/x - Step 3: Cross multiply
477,487.31x = 716,334.78 × 157,653.14 - Step 4: Simplify right side
477,487.31x = 112,932,427,358.21 - Step 5: Solve for x
x = 112,932,427,358.21/477,487.31 - Step 6: Final answer
x = 236,513.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.