Finding the Fourth Proportional to 450,572.73, 621,788.73 and 243,840.70
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Solution
The fourth proportional to 450,572.73, 621,788.73 and 243,840.70 is: 336,499.28
Step by Step Solution
- Step 1: Write the proportion equation
450,572.73 : 621,788.73 = 243,840.70 : x - Step 2: Convert to fraction form
450,572.73/621,788.73 = 243,840.70/x - Step 3: Cross multiply
450,572.73x = 621,788.73 × 243,840.70 - Step 4: Simplify right side
450,572.73x = 151,617,399,175.31 - Step 5: Solve for x
x = 151,617,399,175.31/450,572.73 - Step 6: Final answer
x = 336,499.28
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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.