Finding the Fourth Proportional to 472,173.13, 651,579.96 and 257,308.62
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Solution
The fourth proportional to 472,173.13, 651,579.96 and 257,308.62 is: 355,075.56
Step by Step Solution
- Step 1: Write the proportion equation
472,173.13 : 651,579.96 = 257,308.62 : x - Step 2: Convert to fraction form
472,173.13/651,579.96 = 257,308.62/x - Step 3: Cross multiply
472,173.13x = 651,579.96 × 257,308.62 - Step 4: Simplify right side
472,173.13x = 167,657,140,327.26 - Step 5: Solve for x
x = 167,657,140,327.26/472,173.13 - Step 6: Final answer
x = 355,075.56
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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.