Finding the Fourth Proportional to 507,356.63, 700,157.30 and 306,113.75
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Solution
The fourth proportional to 507,356.63, 700,157.30 and 306,113.75 is: 422,440.08
Step by Step Solution
- Step 1: Write the proportion equation
507,356.63 : 700,157.30 = 306,113.75 : x - Step 2: Convert to fraction form
507,356.63/700,157.30 = 306,113.75/x - Step 3: Cross multiply
507,356.63x = 700,157.30 × 306,113.75 - Step 4: Simplify right side
507,356.63x = 214,327,775,162.31 - Step 5: Solve for x
x = 214,327,775,162.31/507,356.63 - Step 6: Final answer
x = 422,440.08
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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.