Finding the Fourth Proportional to 409,507.19, 565,468.25 and 256,801.13
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Solution
The fourth proportional to 409,507.19, 565,468.25 and 256,801.13 is: 354,603.99
Step by Step Solution
- Step 1: Write the proportion equation
409,507.19 : 565,468.25 = 256,801.13 : x - Step 2: Convert to fraction form
409,507.19/565,468.25 = 256,801.13/x - Step 3: Cross multiply
409,507.19x = 565,468.25 × 256,801.13 - Step 4: Simplify right side
409,507.19x = 145,212,881,467.78 - Step 5: Solve for x
x = 145,212,881,467.78/409,507.19 - Step 6: Final answer
x = 354,603.99
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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.