Finding the Fourth Proportional to 447,916.93, 618,139.53 and 243,973.99
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Solution
The fourth proportional to 447,916.93, 618,139.53 and 243,973.99 is: 336,691.82
Step by Step Solution
- Step 1: Write the proportion equation
447,916.93 : 618,139.53 = 243,973.99 : x - Step 2: Convert to fraction form
447,916.93/618,139.53 = 243,973.99/x - Step 3: Cross multiply
447,916.93x = 618,139.53 × 243,973.99 - Step 4: Simplify right side
447,916.93x = 150,809,967,510.83 - Step 5: Solve for x
x = 150,809,967,510.83/447,916.93 - Step 6: Final answer
x = 336,691.82
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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.