Finding the Fourth Proportional to 432,507.45, 648,899.99 and 207,884.18
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Solution
The fourth proportional to 432,507.45, 648,899.99 and 207,884.18 is: 311,892.98
Step by Step Solution
- Step 1: Write the proportion equation
432,507.45 : 648,899.99 = 207,884.18 : x - Step 2: Convert to fraction form
432,507.45/648,899.99 = 207,884.18/x - Step 3: Cross multiply
432,507.45x = 648,899.99 × 207,884.18 - Step 4: Simplify right side
432,507.45x = 134,896,038,039.24 - Step 5: Solve for x
x = 134,896,038,039.24/432,507.45 - Step 6: Final answer
x = 311,892.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.