Finding the Fourth Proportional to 464,135.63, 640,507.17 and 262,931.63
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Solution
The fourth proportional to 464,135.63, 640,507.17 and 262,931.63 is: 362,845.65
Step by Step Solution
- Step 1: Write the proportion equation
464,135.63 : 640,507.17 = 262,931.63 : x - Step 2: Convert to fraction form
464,135.63/640,507.17 = 262,931.63/x - Step 3: Cross multiply
464,135.63x = 640,507.17 × 262,931.63 - Step 4: Simplify right side
464,135.63x = 168,409,591,032.25 - Step 5: Solve for x
x = 168,409,591,032.25/464,135.63 - Step 6: Final answer
x = 362,845.65
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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.