Finding the Fourth Proportional to 307,740.94, 424,753.36 and 180,457.54
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Solution
The fourth proportional to 307,740.94, 424,753.36 and 180,457.54 is: 249,072.96
Step by Step Solution
- Step 1: Write the proportion equation
307,740.94 : 424,753.36 = 180,457.54 : x - Step 2: Convert to fraction form
307,740.94/424,753.36 = 180,457.54/x - Step 3: Cross multiply
307,740.94x = 424,753.36 × 180,457.54 - Step 4: Simplify right side
307,740.94x = 76,649,944,939.31 - Step 5: Solve for x
x = 76,649,944,939.31/307,740.94 - Step 6: Final answer
x = 249,072.96
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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.