Finding the Fourth Proportional to 455,703.60, 628,873.48 and 251,752.08
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Solution
The fourth proportional to 455,703.60, 628,873.48 and 251,752.08 is: 347,419.26
Step by Step Solution
- Step 1: Write the proportion equation
455,703.60 : 628,873.48 = 251,752.08 : x - Step 2: Convert to fraction form
455,703.60/628,873.48 = 251,752.08/x - Step 3: Cross multiply
455,703.60x = 628,873.48 × 251,752.08 - Step 4: Simplify right side
455,703.60x = 158,320,206,646.84 - Step 5: Solve for x
x = 158,320,206,646.84/455,703.60 - Step 6: Final answer
x = 347,419.26
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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.